Microsoft Office LTSC 2021 at a glance
Show as table
| Month | Vulnerabilities | Critical |
|---|---|---|
| Nov 2026 | 172 | 0 |
| Oct 2026 | 153 | 8 |
| Sep 2026 | 105 | 1 |
| Aug 2026 | 91 | 0 |
| Jul 2026 | 76 | 0 |
| Jun 2026 | 24 | 0 |
| May 2026 | 16 | 0 |
| Apr 2026 | 10 | 0 |
| Mar 2026 | 6 | 0 |
| Feb 2026 | 6 | 0 |
| Jan 2026 | 10 | 0 |
| Dec 2025 | 13 | 0 |
| Nov 2025 | 10 | 0 |
| Oct 2025 | 15 | 0 |
| Sep 2025 | 13 | 0 |
| Aug 2025 | 14 | 0 |
| Jul 2025 | 12 | 0 |
| Jun 2025 | 12 | 0 |
| May 2025 | 12 | 0 |
| Apr 2025 | 14 | 0 |
| Mar 2025 | 9 | 0 |
| Feb 2025 | 8 | 0 |
| Jan 2025 | 9 | 0 |
| Dec 2024 | 4 | 0 |
Most common weaknesses
Latest advisories
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High max 7.8
Microsoft Office-Produkte und Microsoft 365-Apps: Schwachstelle ermöglicht Umgehen von Sicherheitsvorkehrungen
Ein lokaler Angreifer kann eine Schwachstelle in Microsoft Office 2016, Office 2019, Office LTSC 2021, Office LTSC 2024 und Microsoft 365 Apps for Enterprise ausnutzen, um Sicherheitsvorkehrungen zu umgehen.
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High max 8.8NCSC-2025-0012 20 CVEs
Kwetsbaarheden verholpen in Microsoft Office
Microsoft heeft kwetsbaarheden verholpen in diverse Office producten.
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High max 8.2NCSC-2024-0471 9 CVEs
Kwetsbaarheden verholpen in Microsoft Office
Microsoft heeft kwetsbaarheden verholpen in diverse Office producten.
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High max 7.8NCSC-2024-0396 6 CVEs
Kwetsbaarheden verholpen in Microsoft Office
Microsoft heeft kwetsbaarheden verholpen in Office componenten.
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High max 8.8
Kwetsbaarheden verholpen in Microsoft Office
Microsoft heeft kwetsbaarheden verholpen in diverse Office producten.
953 results · Feed
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High 8.8
Microsoft Office Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code over a network.
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High 8.8
Microsoft Office PowerPoint Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office PowerPoint allows an unauthorized attacker to execute code over a network.
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Medium 6.5
Microsoft Office Excel Information Disclosure Vulnerability
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.
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High 7.8
Microsoft Office Outlook Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code locally.
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Medium 6.5
Microsoft Office Security Feature Bypass Vulnerability
Product ui does not warn user of unsafe actions in Microsoft Office allows an unauthorized attacker to bypass a security feature over a network.
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High 7.5
Microsoft Office Outlook Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.
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High 7.5
Microsoft Office Outlook Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.
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High 8.8
Microsoft Office Excel Remote Code Execution Vulnerability
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
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Medium 6.5
Microsoft Office Outlook Information Disclosure Vulnerability
Access of resource using incompatible type ('type confusion') in Microsoft Office Outlook allows an unauthorized attacker to disclose information over a network.
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High 8.8
Microsoft Office Excel Remote Code Execution Vulnerability
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
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High 8.8
Microsoft Office Excel Remote Code Execution Vulnerability
Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
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High 8.8
Microsoft Office Excel Remote Code Execution Vulnerability
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
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Medium 6.5
Microsoft Office Excel Information Disclosure Vulnerability
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.
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Medium 6.5
Microsoft Office Excel Information Disclosure Vulnerability
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.
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High 8.8
Microsoft Office Excel Elevation of Privilege Vulnerability
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to elevate privileges over a network.
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High 8.8
Microsoft Office Excel Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
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High 7.8
Microsoft Office Excel Remote Code Execution Vulnerability
Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
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High 8.8
Microsoft Office Excel Remote Code Execution Vulnerability
Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
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High 8.8
Microsoft Office Excel Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
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High 8.8
Microsoft Office Excel Remote Code Execution Vulnerability
Double free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
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High 8.8
Microsoft Office Excel Remote Code Execution Vulnerability
Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
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High 8.8
Microsoft Office Excel Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
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High 8.8
Microsoft Office Excel Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
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High 8.8
Microsoft Office Excel Remote Code Execution Vulnerability
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
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High 8.8
Microsoft Office Excel Remote Code Execution Vulnerability
Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
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High 8.8
Microsoft Office Excel Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
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High 8.8
Microsoft Office Excel Elevation of Privilege Vulnerability
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to elevate privileges over a network.
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High 8.8
Microsoft Office Excel Remote Code Execution Vulnerability
Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
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High 8.8
Microsoft Office Excel Remote Code Execution Vulnerability
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
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High 8.8
Microsoft Office Excel Remote Code Execution Vulnerability
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
-
High 8.8
Microsoft Office Excel Remote Code Execution Vulnerability
Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
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High 8.8
Microsoft Office Excel Remote Code Execution Vulnerability
Release of invalid pointer or reference in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
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High 8.8
Microsoft Office Excel Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
-
High 8.8
Microsoft Office Excel Remote Code Execution Vulnerability
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
-
High 8.8
Microsoft Office Excel Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
-
High 8.8
Microsoft Office Excel Remote Code Execution Vulnerability
Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
-
High 8.8
Microsoft Office Excel Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
-
High 8.8
Microsoft Office Excel Remote Code Execution Vulnerability
Double free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
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High 8.8
Microsoft Office Excel Remote Code Execution Vulnerability
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
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High 8.8
Microsoft Office Excel Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.