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Office Long Term Servicing Channel

366 CVEs tracked. 7 of them are in CISA KEV.

This hub aggregates every CVE we track for Office Long Term Servicing Channel, a product in the operating systems space. Use it to gauge the current risk picture and drill into individual advisories.

Office Long Term Servicing Channel CVEs per month

Dec 2024 to Nov 2026. Point at a month, or focus the strip and use the arrow keys.
Office Long Term Servicing Channel CVEs per month
MonthCVEs
2024-124
2025-0115
2025-028
2025-0311
2025-0414
2025-0514
2025-0614
2025-0712
2025-0814
2025-0913
2025-1016
2025-1112
2025-1213
2026-0111
2026-026
2026-036
2026-0412
2026-0517
2026-060
2026-070
2026-080
2026-090
2026-100
2026-110

Severity

How the 366 CVEs score on CVSS. Severity is not exploitation: KEV is counted above.

  • Critical51%
  • High31285%
  • Medium4713%
  • Low21%

Latest CVEs

The 15 most recently published vulnerabilities affecting Office Long Term Servicing Channel.

  1. CVE-2026-42832Microsoft Office Spoofing Vulnerability7.7
  2. CVE-2026-40420Microsoft Office Click-To-Run Elevation of Privilege Vulnerability8.8
  3. CVE-2026-35436Microsoft Office Click-To-Run Elevation of Privilege Vulnerability8.8
  4. CVE-2026-40418Microsoft Office Click-To-Run Elevation of Privilege Vulnerability7.8
  5. CVE-2026-40367Microsoft Word Remote Code Execution Vulnerability8.4
  6. CVE-2026-40362Microsoft Excel Remote Code Execution Vulnerability7.8
  7. CVE-2026-40361Microsoft Outlook and Word Remote Code Execution Vulnerability8.4
  8. CVE-2026-40358Microsoft Office Remote Code Execution Vulnerability8.4
  9. CVE-2026-40359Microsoft Excel Remote Code Execution Vulnerability7.8
  10. CVE-2026-42831Microsoft Office Remote Code Execution Vulnerability7.8
  11. CVE-2026-40421Microsoft Word Information Disclosure Vulnerability4.3
  12. CVE-2026-40419Microsoft Office Click-To-Run Elevation of Privilege Vulnerability7.8
  13. CVE-2026-40364Microsoft Word Remote Code Execution Vulnerability8.4
  14. CVE-2026-40366Microsoft Word Remote Code Execution Vulnerability8.4
  15. CVE-2026-40363Microsoft Office Remote Code Execution Vulnerability8.4

Product grouping is registry-driven, with AI assist and human review. How it works