Microsoft Office Long Term Servicing Channel vulnerabilities
366 published vulnerabilities in Microsoft Office Long Term Servicing Channel, 7 of them exploited in the wild. The most were published in 2025 (156), and 52 so far in 2026.
Microsoft Office Long Term Servicing Channel vulnerabilities by year
2021
2022
2023
2024
2025
2026
Most exploited Microsoft Office Long Term Servicing Channel vulnerabilities
- CVE-2024-21413 Microsoft Outlook Improper Input Validation
- CVE-2023-23397 Microsoft Office Outlook Privilege Escalation
- CVE-2024-38189 Microsoft Project Remote Code Execution Vulnerability
- CVE-2026-21514 Microsoft Office Word Reliance on Untrusted Inputs in a Security Decision
- CVE-2026-21509 Microsoft Office Security Feature Bypass
- CVE-2024-38226 Microsoft Publisher Protection Mechanism Failure
- CVE-2023-36761 Microsoft Word Information Disclosure
- CVE-2025-60724 GDI+ Remote Code Execution Vulnerability
- CVE-2023-21716 Microsoft Word Remote Code Execution Vulnerability
- CVE-2023-33150 Microsoft Office Security Feature Bypass Vulnerability
- CVE-2026-35436 Microsoft Office Click-To-Run Elevation of Privilege Vulnerability
- CVE-2026-40420 Microsoft Office Click-To-Run Elevation of Privilege Vulnerability
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