Summary
Microsoft heeft kwetsbaarheden verholpen in diverse Office producten als Sharepoint, Wordt, Project en Excel.
Details
Interpretaties
Een kwaadwillende kan de kwetsbaarheden misbruiken om aanvallen uit te voeren die kunnen leiden tot de categorieën schade, zoals omschreven in onderstaande tabellen.
Voor succesvol misbruik moet de kwaadwillende het slachtoffer misleiden een malafide bestand te openen of link te volgen.
```
Microsoft Office SharePoint:
|----------------|------|-------------------------------------|
| CVE-ID | CVSS | Impact |
|----------------|------|-------------------------------------|
| CVE-2026-45467 | 4.60 | Voordoen als andere gebruiker |
| CVE-2026-45468 | 4.60 | Voordoen als andere gebruiker |
| CVE-2026-45479 | 4.60 | Voordoen als andere gebruiker |
| CVE-2026-45453 | 5.40 | Voordoen als andere gebruiker |
| CVE-2026-47298 | 8.00 | Uitvoeren van willekeurige code |
| CVE-2026-47636 | 5.40 | Voordoen als andere gebruiker |
| CVE-2026-47637 | 4.60 | Voordoen als andere gebruiker |
| CVE-2026-47638 | 4.60 | Voordoen als andere gebruiker |
| CVE-2026-47639 | 5.40 | Voordoen als andere gebruiker |
| CVE-2026-47641 | 4.60 | Voordoen als andere gebruiker |
| CVE-2026-33113 | 5.40 | Voordoen als andere gebruiker |
| CVE-2026-45454 | 6.50 | Uitvoeren van willekeurige code |
| CVE-2026-45462 | 4.60 | Voordoen als andere gebruiker |
| CVE-2026-45464 | 5.40 | Voordoen als andere gebruiker |
| CVE-2026-45465 | 5.40 | Voordoen als andere gebruiker |
| CVE-2026-47634 | 7.30 | Voordoen als andere gebruiker |
| CVE-2026-47640 | 4.60 | Voordoen als andere gebruiker |
| CVE-2026-45481 | 7.30 | Voordoen als andere gebruiker |
| CVE-2026-45484 | 8.80 | Verkrijgen van verhoogde rechten |
| CVE-2026-48560 | 5.40 | Voordoen als andere gebruiker |
| CVE-2026-48562 | 4.60 | Voordoen als andere gebruiker |
|----------------|------|-------------------------------------|
Windows Win32K - GRFX:
|----------------|------|-------------------------------------|
| CVE-ID | CVSS | Impact |
|----------------|------|-------------------------------------|
| CVE-2026-44803 | 7.80 | Uitvoeren van willekeurige code |
| CVE-2026-44812 | 7.80 | Uitvoeren van willekeurige code |
|----------------|------|-------------------------------------|
Microsoft Office Word:
|----------------|------|-------------------------------------|
| CVE-ID | CVSS | Impact |
|----------------|------|-------------------------------------|
| CVE-2026-45475 | 7.80 | Uitvoeren van willekeurige code |
| CVE-2026-45471 | 7.80 | Uitvoeren van willekeurige code |
| CVE-2026-45486 | 7.80 | Uitvoeren van willekeurige code |
| CVE-2026-45485 | 3.30 | Toegang tot gevoelige gegevens |
| CVE-2026-44819 | 7.80 | Uitvoeren van willekeurige code |
| CVE-2026-44821 | 5.50 | Toegang tot gevoelige gegevens |
| CVE-2026-44824 | 7.80 | Uitvoeren van willekeurige code |
| CVE-2026-45466 | 3.30 | Toegang tot gevoelige gegevens |
| CVE-2026-45643 | 7.80 | Uitvoeren van willekeurige code |
| CVE-2026-45457 | 7.80 | Uitvoeren van willekeurige code |
|----------------|------|-------------------------------------|
Microsoft Teams for Android:
|----------------|------|-------------------------------------|
| CVE-ID | CVSS | Impact |
|----------------|------|-------------------------------------|
| CVE-2026-42835 | 8.10 | Toegang tot gevoelige gegevens |
|----------------|------|-------------------------------------|
Office for Android:
|----------------|------|-------------------------------------|
| CVE-ID | CVSS | Impact |
|----------------|------|-------------------------------------|
| CVE-2026-45649 | 7.10 | Voordoen als andere gebruiker |
|----------------|------|-------------------------------------|
Microsoft Office Project:
|----------------|------|-------------------------------------|
| CVE-ID | CVSS | Impact |
|----------------|------|-------------------------------------|
| CVE-2026-45483 | 4.60 | Voordoen als andere gebruiker |
|----------------|------|-------------------------------------|
Microsoft Office:
|----------------|------|-------------------------------------|
| CVE-ID | CVSS | Impact |
|----------------|------|-------------------------------------|
| CVE-2026-45472 | 8.40 | Uitvoeren van willekeurige code |
| CVE-2026-45474 | 8.40 | Uitvoeren van willekeurige code |
| CVE-2026-45456 | 8.40 | Uitvoeren van willekeurige code |
| CVE-2026-45458 | 8.40 | Uitvoeren van willekeurige code |
| CVE-2026-45460 | 4.70 | Toegang tot gevoelige gegevens |
| CVE-2026-45461 | 8.40 | Uitvoeren van willekeurige code |
| CVE-2026-45645 | 7.80 | Uitvoeren van willekeurige code |
| CVE-2026-47635 | 8.40 | Uitvoeren van willekeurige code |
| CVE-2026-45463 | 8.40 | Uitvoeren van willekeurige code |
|----------------|------|-------------------------------------|
Microsoft Office Excel:
|----------------|------|-------------------------------------|
| CVE-ID | CVSS | Impact |
|----------------|------|-------------------------------------|
| CVE-2026-45469 | 7.80 | Uitvoeren van willekeurige code |
| CVE-2026-44817 | 7.80 | Uitvoeren van willekeurige code |
| CVE-2026-44818 | 7.00 | Uitvoeren van willekeurige code |
| CVE-2026-44820 | 7.80 | Uitvoeren van willekeurige code |
| CVE-2026-44823 | 7.80 | Uitvoeren van willekeurige code |
| CVE-2026-44822 | 8.20 | Toegang tot gevoelige gegevens |
| CVE-2026-45455 | 3.30 | Toegang tot gevoelige gegevens |
| CVE-2026-45459 | 3.30 | Omzeilen van beveiligingsmaatregel |
|----------------|------|-------------------------------------|
Microsoft Office Click-To-Run:
|----------------|------|-------------------------------------|
| CVE-ID | CVSS | Impact |
|----------------|------|-------------------------------------|
| CVE-2026-47293 | 7.00 | Verkrijgen van verhoogde rechten |
|----------------|------|-------------------------------------|
```
Oplossingen
Microsoft heeft updates beschikbaar gesteld waarmee de beschreven kwetsbaarheden worden verholpen. We raden u aan om deze updates te installeren. Meer informatie over de kwetsbaarheden, de installatie van de updates en eventuele work-arounds vindt u op:
Vulnerabilities 54
-
High 8.8CVE-2026-45484 EPSS 34%
Microsoft SharePoint Elevation of Privilege Vulnerability
Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.
-
High 8.4
Microsoft Outlook and Word Remote Code Execution Vulnerability
Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthorized attacker to execute code locally.
-
High 8.4
Microsoft Outlook and Word Remote Code Execution Vulnerability
Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
-
High 8.4
Microsoft Office Remote Code Execution Vulnerability
Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
-
High 8.4
Microsoft Office Remote Code Execution Vulnerability
Integer underflow (wrap or wraparound) in Microsoft Office allows an unauthorized attacker to execute code locally.
-
High 8.4
Microsoft Office Remote Code Execution Vulnerability
Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
-
High 8.4
Microsoft Office Remote Code Execution Vulnerability
Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
-
High 8.4
Microsoft Outlook and Word Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
-
High 8.2
Microsoft Excel Information Disclosure Vulnerability
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.
-
High 8.1
Microsoft Teams for Android Information Disclosure Vulnerability
Improper neutralization of special elements in output used by a downstream component ('injection') in Microsoft Teams for Android allows an authorized attacker to disclose information over a network.
-
High 8.0
Microsoft SharePoint Server Remote Code Execution Vulnerability
Improper authorization in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
-
High 7.8
Windows Graphics Component Remote Code Execution Vulnerability
Integer overflow or wraparound in Windows Win32K - GRFX allows an unauthorized attacker to execute code locally.
-
High 7.8
Windows Graphics Component Remote Code Execution Vulnerability
Integer overflow or wraparound in Windows Win32K - GRFX allows an unauthorized attacker to execute code locally.
-
High 7.8
Microsoft Excel Remote Code Execution Vulnerability
Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
-
High 7.8
Microsoft Office Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
-
High 7.8
Microsoft Excel Remote Code Execution Vulnerability
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
-
High 7.8
Microsoft Excel Remote Code Execution Vulnerability
Numeric truncation error in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
-
High 7.8
Microsoft Office Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
-
High 7.8
Microsoft Word Remote Code Execution Vulnerability
Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to execute code locally.
-
High 7.8
Microsoft Excel Remote Code Execution Vulnerability
Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
-
High 7.8
Microsoft Word Remote Code Execution Vulnerability
Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute code locally.
-
High 7.8
Microsoft Office Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
-
High 7.8
Microsoft Word Remote Code Execution Vulnerability
Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.
-
High 7.8
Microsoft Word Remote Code Execution Vulnerability
Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute code locally.
-
High 7.8
Microsoft Office Remote Code Execution Vulnerability
Untrusted pointer dereference in Microsoft Office allows an unauthorized attacker to execute code locally.
-
High 7.3
Microsoft SharePoint Server Spoofing Vulnerability
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.
-
High 7.3
Microsoft SharePoint Server Spoofing Vulnerability
Improper neutralization of special elements in output used by a downstream component ('injection') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.
-
High 7.1
Office for Android Spoofing Vulnerability
Improper access control in Office for Android allows an unauthorized attacker to perform spoofing locally.
-
High 7.0
Microsoft Excel Remote Code Execution Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
-
High 7.0
Microsoft Office Click-To-Run Elevation of Privilege Vulnerability
Use after free in Microsoft Office Click-To-Run allows an authorized attacker to elevate privileges locally.
-
Medium 6.5
Microsoft SharePoint Remote Code Execution Vulnerability
Improper limitation of a pathname to a restricted directory ('path traversal') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
-
Medium 5.5
Microsoft Office Information Disclosure Vulnerability
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.
-
Medium 5.4
Microsoft SharePoint Server Spoofing Vulnerability
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.
-
Medium 5.4
Microsoft SharePoint Server Spoofing Vulnerability
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.
-
Medium 5.4
Microsoft SharePoint Server Spoofing Vulnerability
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.
-
Medium 5.4
Microsoft SharePoint Server Spoofing Vulnerability
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.
-
Medium 5.4
Microsoft SharePoint Server Spoofing Vulnerability
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.
-
Medium 5.4
Microsoft SharePoint Server Spoofing Vulnerability
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.
-
Medium 5.4
Microsoft SharePoint Server Spoofing Vulnerability
Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.
-
Medium 4.7
Microsoft Office Information Disclosure Vulnerability
Buffer over-read in Microsoft Office allows an unauthorized attacker to disclose information locally.
-
Medium 4.6
Microsoft SharePoint Server Spoofing Vulnerability
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.
-
Medium 4.6
Microsoft SharePoint Server Spoofing Vulnerability
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.
-
Medium 4.6
Microsoft SharePoint Server Spoofing Vulnerability
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.
-
Medium 4.6
Microsoft SharePoint Server Spoofing Vulnerability
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.
-
Medium 4.6
Microsoft Office Project Server Spoofing Vulnerability
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office Project Server allows an authorized attacker to perform spoofing over a network.
-
Medium 4.6
Microsoft SharePoint Server Spoofing Vulnerability
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.
-
Medium 4.6
Microsoft SharePoint Server Spoofing Vulnerability
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.
-
Medium 4.6
Microsoft SharePoint Server Spoofing Vulnerability
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.
-
Medium 4.6
Microsoft SharePoint Server Spoofing Vulnerability
Improper input validation in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.
-
Medium 4.6
Microsoft SharePoint Server Spoofing Vulnerability
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.
-
Low 3.3
Microsoft Excel Information Disclosure Vulnerability
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
-
Low 3.3
Microsoft Excel Security Feature Bypass Vulnerability
Protection mechanism failure in Microsoft Office Excel allows an unauthorized attacker to bypass a security feature locally.
-
Low 3.3
Microsoft Word Information Disclosure Vulnerability
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
-
Low 3.3
Microsoft Office Information Disclosure Vulnerability
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.
Revision history
-
#1.0.0
Initiele versie