Office Online Server at a glance
- Last 12 months
- 193
- Critical · all time
- 0
- Exploited · all time
- 0
- Public exploit · all time
- 2
Show as table
| Month | Vulnerabilities | Critical |
|---|---|---|
| Nov 2026 | 56 | 0 |
| Oct 2026 | 44 | 0 |
| Sep 2026 | 5 | 0 |
| Aug 2026 | 25 | 0 |
| Jul 2026 | 33 | 0 |
| Jun 2026 | 7 | 0 |
| May 2026 | 3 | 0 |
| Apr 2026 | 5 | 0 |
| Mar 2026 | 4 | 0 |
| Feb 2026 | 3 | 0 |
| Jan 2026 | 3 | 0 |
| Dec 2025 | 5 | 0 |
| Nov 2025 | 6 | 0 |
| Oct 2025 | 8 | 0 |
| Sep 2025 | 6 | 0 |
| Aug 2025 | 5 | 0 |
| Jul 2025 | 3 | 0 |
| Jun 2025 | 1 | 0 |
| May 2025 | 7 | 0 |
| Apr 2025 | 3 | 0 |
| Mar 2025 | 3 | 0 |
| Feb 2025 | 5 | 0 |
| Jan 2025 | 2 | 0 |
| Dec 2024 | 0 | 0 |
Most common weaknesses
Latest advisories
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Critical max 9.9
Microsoft Office: Mehrere Schwachstellen
Ein Angreifer kann mehrere Schwachstellen in Microsoft Office Online Server, Microsoft 365 Apps, Microsoft Office, Microsoft Office LTSC 2021, Microsoft SharePoint, Microsoft Teams, Microsoft Office LTSC 2024 und Microsoft Office 365 ausnutzen, um erweiterte …
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Critical max 9.8
Microsoft Office Produkte: Mehrere Schwachstellen ermöglichen Privilegieneskalation
Ein Angreifer kann mehrere Schwachstellen in verschiedenen Microsoft Office Produkten ausnutzen, um seine Privilegien zu erhöhen, um Code auszuführen, um Informationen offenzulegen oder zu manipulieren und um Sicherheitsmechanismen zu umgehen.
first Oct 13, 2026 -
High max 9.8
Kwetsbaarheden verholpen in Microsoft Office
Microsoft heeft xxx kwetsbaarheden verholpen in diverse Office producten, zoals Word, Excel, Access, Outlook, Visio, Sharepoint en PowerPoint, maar ook subcomponenten als Shell, Azure Key Vault en Click-to-Run.
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High max 9.8WID-SEC-2026-3234 135 CVEs
Microsoft Office Produkte: Mehrere Schwachstellen
Ein Angreifer kann mehrere Schwachstellen in verschiedenen Microsoft Office Produkten, Microsoft Office Online Server, Microsoft 365 Apps, Microsoft SharePoint, Microsoft Teams und Microsoft Skype ausnutzen, um erhöhte Berechtigungen zu erlangen, um Code ausz…
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Critical max 9.8
Microsoft Office Produkte: Mehrere Schwachstellen
Ein Angreifer kann mehrere Schwachstellen in verschiedenen Microsoft Office Produkten ausnutzen, um beliebigen Programmcode auszuführen, um Informationen offenzulegen, um falsche Informationen darzustellen, um seine Privilegien zu erhöhen, und um Sicherheitsv…
first Jul 14, 2026
256 results · Feed
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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.
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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.
-
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.
-
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
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
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 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.
-
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
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.
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High 7.5
Microsoft Office Excel Remote Code Execution Vulnerability
Use of uninitialized resource 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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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.
-
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
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
Double free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.