What’s Vulnerable › Products
Microsoft Office LTSC 2021 vulnerabilities
778 known vulnerabilities, 9 confirmed exploited in the wild (CISA KEV), 517 published in the last 12 months.
Check whether your Microsoft Office LTSC 2021 version is affected
Exploited Microsoft Office LTSC 2021 vulnerabilities
- CVE-2026-21514 — Microsoft Word Security Feature Bypass Vulnerability
- CVE-2026-21509 — Microsoft Office Security Feature Bypass Vulnerability
- CVE-2024-21413 — Microsoft Outlook Remote Code Execution Vulnerability
- CVE-2024-38226 — Microsoft Publisher Security Feature Bypass Vulnerability
- CVE-2024-38189 — Microsoft Project Remote Code Execution Vulnerability
- CVE-2023-36761 — Microsoft Word Information Disclosure Vulnerability
- CVE-2023-35311 — Microsoft Outlook Security Feature Bypass Vulnerability
- CVE-2023-23397 — Microsoft Outlook Elevation of Privilege Vulnerability
- CVE-2021-42292 — Microsoft Excel Security Feature Bypass Vulnerability
Latest Microsoft Office LTSC 2021 vulnerabilities
- CVE-2026-108455 — Microsoft Office PowerPoint Information Disclosure Vulnerability (CVSS 6.5)
- CVE-2026-108454 — Microsoft Office PowerPoint Information Disclosure Vulnerability (CVSS 6.5)
- CVE-2026-108453 — Microsoft Office PowerPoint Information Disclosure Vulnerability (CVSS 6.5)
- CVE-2026-108451 — Microsoft Office Word Remote Code Execution Vulnerability (CVSS 8.8)
- CVE-2026-108450 — Microsoft Office Word Remote Code Execution Vulnerability (CVSS 8.8)
- CVE-2026-108449 — Microsoft Office Word Remote Code Execution Vulnerability (CVSS 8.8)
- CVE-2026-108448 — Microsoft Office Outlook Remote Code Execution Vulnerability (CVSS 7.5)
- CVE-2026-108447 — Microsoft Office Word Remote Code Execution Vulnerability (CVSS 8.8)
- CVE-2026-108446 — Microsoft Office Excel Remote Code Execution Vulnerability (CVSS 8.8)
- CVE-2026-108445 — Microsoft Office Word Remote Code Execution Vulnerability (CVSS 8.8)
- CVE-2026-108444 — Microsoft Office Remote Code Execution Vulnerability (CVSS 8.8)
- CVE-2026-108443 — Microsoft Office Word Remote Code Execution Vulnerability (CVSS 8.8)
- CVE-2026-108442 — Microsoft Office Word Remote Code Execution Vulnerability (CVSS 8.8)
- CVE-2026-108441 — Microsoft Office Word Remote Code Execution Vulnerability (CVSS 8.8)
- CVE-2026-108440 — Microsoft Office Word Remote Code Execution Vulnerability (CVSS 8.8)
- CVE-2026-108439 — Microsoft Office Word Remote Code Execution Vulnerability (CVSS 8.8)
- CVE-2026-108437 — Microsoft Office Word Remote Code Execution Vulnerability (CVSS 8.8)
- CVE-2026-108436 — Microsoft Office Word Information Disclosure Vulnerability (CVSS 6.5)
- CVE-2026-108435 — Microsoft Office Word Information Disclosure Vulnerability (CVSS 6.5)
- CVE-2026-108434 — Microsoft Office Word Information Disclosure Vulnerability (CVSS 6.5)
- CVE-2026-108433 — Microsoft Office Word Security Feature Bypass Vulnerability (CVSS 7.8)
- CVE-2026-108432 — Microsoft Office Word Remote Code Execution Vulnerability (CVSS 8.8)
- CVE-2026-108431 — Microsoft Office Word Remote Code Execution Vulnerability (CVSS 8.8)
- CVE-2026-108430 — Microsoft Office Word Remote Code Execution Vulnerability (CVSS 8.8)
- CVE-2026-108429 — Microsoft Office Word Remote Code Execution Vulnerability (CVSS 8.8)