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Office 2021

465 CVEs tracked. 2 of them are in CISA KEV.

This hub aggregates every CVE we track for Office 2021, a product in the consumer software space. Use it to gauge the current risk picture and drill into individual advisories.

Office 2021 CVEs per month

Nov 2024 to Oct 2026. Point at a month, or focus the strip and use the arrow keys.
Office 2021 CVEs per month
MonthCVEs
2024-110
2024-120
2025-010
2025-020
2025-030
2025-040
2025-050
2025-060
2025-070
2025-080
2025-090
2025-100
2025-110
2025-120
2026-010
2026-020
2026-030
2026-040
2026-050
2026-0627
2026-0778
2026-0891
2026-09106
2026-10161

Severity

How the 465 CVEs score on CVSS. Severity is not exploitation: KEV is counted above.

  • Critical82%
  • High31367%
  • Medium14030%
  • Low41%

Latest CVEs

The 15 most recently published vulnerabilities affecting Office 2021.

  1. CVE-2026-108454Microsoft Office PowerPoint Information Disclosure Vulnerability6.5
  2. CVE-2026-108455Microsoft Office PowerPoint Information Disclosure Vulnerability6.5
  3. CVE-2026-108453Microsoft Office PowerPoint Information Disclosure Vulnerability6.5
  4. CVE-2026-108450Microsoft Office Word Remote Code Execution Vulnerability8.8
  5. CVE-2026-108451Microsoft Office Word Remote Code Execution Vulnerability8.8
  6. CVE-2026-108449Microsoft Office Word Remote Code Execution Vulnerability8.8
  7. CVE-2026-108447Microsoft Office Word Remote Code Execution Vulnerability8.8
  8. CVE-2026-108446Microsoft Office Excel Remote Code Execution Vulnerability8.8
  9. CVE-2026-108448Microsoft Office Outlook Remote Code Execution Vulnerability7.5
  10. CVE-2026-108445Microsoft Office Word Remote Code Execution Vulnerability8.8
  11. CVE-2026-108444Microsoft Office Remote Code Execution Vulnerability8.8
  12. CVE-2026-108443Microsoft Office Word Remote Code Execution Vulnerability8.8
  13. CVE-2026-108441Microsoft Office Word Remote Code Execution Vulnerability8.8
  14. CVE-2026-108442Microsoft Office Word Remote Code Execution Vulnerability8.8
  15. CVE-2026-108440Microsoft Office Word Remote Code Execution Vulnerability8.8

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