Summary
Microsoft heeft meerdere kwetsbaarheden verholpen in Windows.
Details
Interpretaties
Een kwaadwillende kan de kwetsbaarheden misbruiken om aanvallen uit te voeren die kunnen leiden tot de categorieën schade, zoals genoemd in onderstaande tabel.
Microsoft heeft voor Windows meerdere kwetsbaarheden verholpen. De 32 ernstigste kwetsbaarheden bevinden zich in meerdere Windows componenten en hebben een CVSS score van 9.0 en hoger toegewezen gekregen. Kwaadwillenden met toegang tot deze componenten kunnen zonder voorafgaande authenticatie mogelijk code uitvoeren of zich toegang verschaffen tot het kwetsbare systeem. Deze kwetsbaarheden zijn in onderstaande tabel weergegeven.
De overige 634 kwetsbaarheden variëren in ernst van middelmatig tot hoog en kritiek. Raapleeg het MSRC-portaal voor aanvullende informatie.
==**UPDATE**==
De kwetsbaarheid met kenmerk CVE-2026-81963 heeft een CVSS-score van 7,8. Het betreft een privilege-escalatiekwetsbaarheid in de Windows Update Stack. Een geauthenticeerde kwaadwillende kan deze kwetsbaarheid lokaal misbruiken om zijn rechten te verhogen en SYSTEM-rechten te verkrijgen. Microsoft meldt dat de kwetsbaarheid actief wordt misbruikt. Er zijn geen details bekend over de wijze waarop de kwetsbaarheid bij aanvallen wordt misbruikt.
De kwetsbaarheid met kenmerk CVE-2026-85880 heeft een CVSS-score van 7,8. Het betreft een privilege-escalatiekwetsbaarheid in Windows Advanced Local Procedure Call (ALPC). Een geauthenticeerde kwaadwillende kan deze kwetsbaarheid lokaal misbruiken om zijn rechten te verhogen en SYSTEM-rechten te verkrijgen. Microsoft meldt dat de kwetsbaarheid actief wordt misbruikt. Er zijn geen details bekend over de wijze waarop de kwetsbaarheid bij aanvallen wordt misbruikt.
==**EINDE UPDATE**==
```
|----------------|------|---------------------------|-------------------------------------|
| CVE-ID | CVSS | Component | Impact |
|----------------|------|---------------------------|-------------------------------------|
| CVE-2026-73025 | 9,80 | iSCSI | Omzeilen van beveiligingsmaatregel |
|----------------|------|---------------------------|-------------------------------------|
| CVE-2026-69276 | 9,80 | UxTheme Library | Uitvoeren van willekeurige code |
|----------------|------|---------------------------|-------------------------------------|
| CVE-2026-70296 | 9,80 | Imaging | Uitvoeren van willekeurige code |
|----------------|------|---------------------------|-------------------------------------|
| CVE-2026-69730 | 9,80 | DNS | Uitvoeren van willekeurige code |
|----------------|------|---------------------------|-------------------------------------|
|CVE-2026-69824 | 9,80 | XPS | Uitvoeren van willekeurige code |
|----------------|------|---------------------------|-------------------------------------|
|CVE-2026-69590 | 9,80 | RRAS | Uitvoeren van willekeurige code |
|----------------|------|---------------------------|-------------------------------------|
| CVE-2026-69463 | 9,80 | NTFS | Uitvoeren van willekeurige code |
|----------------|------|---------------------------|-------------------------------------|
| CVE-2026-69669 | 9,80 | NTFS | Uitvoeren van willekeurige code |
|----------------|------|---------------------------|-------------------------------------|
| CVE-2026-69845 | 9,80 | DHCP Server | Uitvoeren van willekeurige code |
|----------------|------|---------------------------|-------------------------------------|
| CVE-2026-72979 | 9,80 | DHCP Server | Uitvoeren van willekeurige code |
|----------------|------|---------------------------|-------------------------------------|
| CVE-2026-69595 | 9,80 | NFS ONCRPC | Uitvoeren van willekeurige code |
|----------------|------|---------------------------|-------------------------------------|
| CVE-2026-78445 | 9,80 | NFS ONCRPC | Uitvoeren van willekeurige code |
|----------------|------|---------------------------|-------------------------------------|
| CVE-2026-69829 | 9,80 | SHELL | Uitvoeren van willekeurige code |
|----------------|------|---------------------------|-------------------------------------|
| CVE-2026-72983 | 9,80 | ICS | Uitvoeren van willekeurige code |
|----------------|------|---------------------------|-------------------------------------|
| CVE-2026-69579 | 9,80 | Message Queuing | Uitvoeren van willekeurige code |
|----------------|------|---------------------------|-------------------------------------|
| CVE-2026-69496 | 9,80 | Compressed Folder | Uitvoeren van willekeurige code |
|----------------|------|---------------------------|-------------------------------------|
| CVE-2026-69910 | 9,80 | Hyper-V | Uitvoeren van willekeurige code |
|----------------|------|---------------------------|-------------------------------------|
| CVE-2026-72982 | 9,80 | Netlogon | Uitvoeren van willekeurige code |
|----------------|------|---------------------------|-------------------------------------|
| CVE-2026-69769 | 9,80 | HTTP Print Provider | Uitvoeren van willekeurige code |
|----------------|------|---------------------------|-------------------------------------|
| CVE-2026-69431 | 9,80 | Telnet Client | Uitvoeren van willekeurige code |
|----------------|------|---------------------------|-------------------------------------|
| CVE-2026-69639 | 9,80 | Libarchive | Uitvoeren van willekeurige code |
|----------------|------|---------------------------|-------------------------------------|
| CVE-2026-69819 | 9,80 | RPC Runtime | Uitvoeren van willekeurige code |
|----------------|------|---------------------------|-------------------------------------|
| CVE-2026-69493 | 9,80 | Event Logging Service | Uitvoeren van willekeurige code |
|----------------|------|---------------------------|-------------------------------------|
| CVE-2026-69434 | 9,80 | URL Moniker | Uitvoeren van willekeurige code |
|----------------|------|---------------------------|-------------------------------------|
| CVE-2026-69715 | 9,80 | Direct Show | Uitvoeren van willekeurige code |
|----------------|------|---------------------------|-------------------------------------|
| CVE-2026-73009 | 9,80 | SSTP | Uitvoeren van willekeurige code |
|----------------|------|---------------------------|-------------------------------------|
| CVE-2026-68839 | 9,80 | USB Mass Storage Class | Uitvoeren van willekeurige code |
|----------------|------|---------------------------|-------------------------------------|
| CVE-2026-68839 | 9,80 | Remote Desktop Services | Uitvoeren van willekeurige code |
|----------------|------|---------------------------|-------------------------------------|
| CVE-2026-69525 | 9,80 | USB Mass Storage Class | Uitvoeren van willekeurige code |
|----------------|------|---------------------------|-------------------------------------|
| CVE-2026-73010 | 9,80 | Failover Cluster | Uitvoeren van willekeurige code |
|----------------|------|---------------------------|-------------------------------------|
| CVE-2026-69768 | 9,80 | RNDIS | Uitvoeren van willekeurige code |
|----------------|------|---------------------------|-------------------------------------|
| CVE-2026-77493 | 9,80 | Office Outlook | Uitvoeren van willekeurige code |
|----------------|------|---------------------------|-------------------------------------|
```
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 33
-
High 7.8
Windows Update Stack Elevation of Privilege Vulnerability
Improper link resolution before file access ('link following') in Windows Update Stack allows an authorized attacker to elevate privileges locally.
KEV Sep 8, 2026 -
High 7.8CVE-2026-85880 Exploited
Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows ALPC allows an authorized attacker to elevate privileges locally.
KEV Sep 8, 2026 -
Critical 9.8
Windows USB Mass Storage Class Driver Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows USB Mass Storage Class Driver allows an unauthorized attacker to execute code over a network.
-
Critical 9.8
Microsoft UxTheme Library (uxtheme.dll) Remote Code Execution Vulnerability
Integer underflow (wrap or wraparound) in Microsoft UxTheme Library (uxtheme.dll) allows an unauthorized attacker to execute code over a network.
-
Critical 9.8
Telnet Client Remote Code Execution Vulnerability
Heap-based buffer overflow in Telnet Client allows an unauthorized attacker to execute code over a network.
-
Critical 9.8
Windows NTFS Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code over a network.
-
Critical 9.8
Windows Event Logging Service Remote Code Execution Vulnerability
Out-of-bounds read in Windows Event Logging Service allows an unauthorized attacker to execute code over a network.
-
Critical 9.8
Windows Compressed Folder Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows Compressed Folder allows an unauthorized attacker to execute code over a network.
-
Critical 9.8
Remote Desktop Services Remote Code Execution Vulnerability
Use after free in Windows Remote Desktop Services allows an unauthorized attacker to execute code over a network.
-
Critical 9.8
Windows Message Queuing Remote Code Execution Vulnerability
Use after free in Windows Message Queuing allows an unauthorized attacker to execute code over a network.
-
Critical 9.8
Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
Remote Code Execution in Windows Routing and Remote Access Service (RRAS) allows attacker to gain an unauthorized access to victim's machine
-
Critical 9.8
Windows Services for NFS ONCRPC XDR Driver Remote Code Execution Vulnerability
Use after free in Windows Services for NFS ONCRPC XDR Driver allows an unauthorized attacker to execute code over a network.
-
Critical 9.8
Windows libarchive Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows Libarchive allows an unauthorized attacker to execute code over a network.
-
Critical 9.8
Windows Direct Show Remote Code Execution Vulnerability
Out-of-bounds read in Windows Direct Show allows an unauthorized attacker to execute code over a network.
-
Critical 9.8
Windows DNS Server Remote Code Execution Vulnerability
Use after free in Windows DNS allows an unauthorized attacker to execute code over a network.
-
Critical 9.8
Windows RNDIS Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows RNDIS allows an unauthorized attacker to execute code over a network.
-
Critical 9.8
Windows HTTP Print Provider Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows HTTP Print Provider allows an unauthorized attacker to execute code over a network.
-
Critical 9.8
RPC Runtime Library Remote Code Execution Vulnerability
Out-of-bounds write in RPC Runtime allows an unauthorized attacker to execute code over a network.
-
Critical 9.8
Microsoft Standard XPS Remote Code Execution Vulnerability
Integer underflow (wrap or wraparound) in Microsoft Standard XPS allows an unauthorized attacker to execute code over a network.
-
Critical 9.8
Windows Shell Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows Shell allows an unauthorized attacker to execute code over a network.
-
Critical 9.8
Windows DHCP Server Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows DHCP Server allows an unauthorized attacker to execute code over a network.
-
Critical 9.8
Windows Hyper-V Remote Code Execution Vulnerability
Stack-based buffer overflow in Windows Hyper-V allows an unauthorized attacker to execute code over a network.
-
Critical 9.8
Windows Imaging Component Remote Code Execution Vulnerability
Out-of-bounds write in Windows Imaging Component allows an unauthorized attacker to execute code over a network.
-
Critical 9.8
Windows DHCP Server Remote Code Execution Vulnerability
Use after free in Windows DHCP Server allows an unauthorized attacker to execute code over a network.
-
Critical 9.8
Windows Netlogon Remote Code Execution Vulnerability
Stack-based buffer overflow in Windows Netlogon allows an unauthorized attacker to execute code over a network.
-
Critical 9.8
Internet Connection Sharing (ICS) Remote Code Execution Vulnerability
Use after free in Windows Internet Connection Sharing (ICS) allows an unauthorized attacker to execute code over a network.
-
Critical 9.8
Windows Secure Socket Tunneling Protocol (SSTP) Remote Code Execution Vulnerability
Use after free in Windows Secure Socket Tunneling Protocol (SSTP) allows an unauthorized attacker to execute code over a network.
-
Critical 9.8
Microsoft Failover Cluster Remote Code Execution Vulnerability
Use after free in Windows Failover Cluster allows an unauthorized attacker to execute code over a network.
-
Critical 9.8
Windows iSCSI Security Feature Bypass Vulnerability
Weak authentication in Windows iSCSI allows an unauthorized attacker to bypass a security feature over a network.
-
Critical 9.8
Windows Graphics Component Remote Code Execution Vulnerability
Double free in Microsoft Graphics Component allows an unauthorized attacker to execute code over a network.
-
Critical 9.8
Windows Services for NFS ONCRPC XDR Driver Remote Code Execution Vulnerability
Use after free in Windows Services for NFS ONCRPC XDR Driver allows an unauthorized attacker to execute code over a network.
-
High 8.8
Windows URL Moniker Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows URL Moniker allows an unauthorized attacker to execute code over a network.
-
High 8.8
Windows Kernel Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows Kernel allows an unauthorized attacker to execute code over a network.
Revision history
-
#1.0.3
New revision
-
#1.0.2
Revisie Microsoft advisory van September.
-
#1.0.1
Microsoft heeft 2 zeroday-kwetsbaarheden in Windows verholpen. Deze zijn aan deze advisory toegevoegd.
-
#1.0.0
Initiele versie
References
-
Reference
https://portal.msrc.microsoft.com/en-us/security-guidance