Microsoft Office Ltsc 2021 vulnerabilities
432 known vulnerabilities affecting microsoft/microsoft_office_ltsc_2021.
Total CVEs
432
CISA KEV
9
actively exploited
Public exploits
13
Exploited in wild
12
Severity breakdown
CRITICAL4HIGH352MEDIUM68LOW8
Vulnerabilities
Page 13 of 22
CVE-2025-54902P3HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-09-09
CVE-2025-54902 [HIGH] CWE-125 CVE-2025-54902: Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
nvd
CVE-2025-54898P3HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-09-09
CVE-2025-54898 [HIGH] CWE-125 CVE-2025-54898: Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
nvd
CVE-2025-53759P3HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-08-12
CVE-2025-53759 [HIGH] CWE-908 CVE-2025-53759: Use of uninitialized resource in Microsoft Office Excel allows an unauthorized attacker to execute c
Use of uninitialized resource in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
nvd
CVE-2025-49702P3HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-07-08
CVE-2025-49702 [HIGH] CWE-843 CVE-2025-49702: Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthor
Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthorized attacker to execute code locally.
nvd
CVE-2025-62200P3HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-11-11
CVE-2025-62200 [HIGH] CWE-822 CVE-2025-62200: Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute c
Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
nvd
CVE-2026-20948P3HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2026-01-13
CVE-2026-20948 [HIGH] CWE-822 CVE-2026-20948: Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute co
Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute code locally.
nvd
CVE-2026-20956P3HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2026-01-13
CVE-2026-20956 [HIGH] CWE-822 CVE-2026-20956: Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute c
Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
nvd
CVE-2026-44820P3HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2026-06-09
CVE-2026-44820 [HIGH] CWE-125 CVE-2026-44820: Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
nvd
CVE-2026-45645P3HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2026-06-09
CVE-2026-45645 [HIGH] CWE-822 CVE-2026-45645: Untrusted pointer dereference in Microsoft Office allows an unauthorized attacker to execute code lo
Untrusted pointer dereference in Microsoft Office allows an unauthorized attacker to execute code locally.
nvd
CVE-2022-21988P3HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2022-02-09
CVE-2022-21988 [HIGH] CVE-2022-21988: Microsoft Office Visio Remote Code Execution Vulnerability
Microsoft Office Visio Remote Code Execution Vulnerability
nvd
CVE-2022-24509P3HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2022-03-09
CVE-2022-24509 [HIGH] CVE-2022-24509: Microsoft Office Visio Remote Code Execution Vulnerability
Microsoft Office Visio Remote Code Execution Vulnerability
nvd
CVE-2022-24461P3HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2022-03-09
CVE-2022-24461 [HIGH] CVE-2022-24461: Microsoft Office Visio Remote Code Execution Vulnerability
Microsoft Office Visio Remote Code Execution Vulnerability
nvd
CVE-2022-24510P3HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2022-03-09
CVE-2022-24510 [HIGH] CVE-2022-24510: Microsoft Office Visio Remote Code Execution Vulnerability
Microsoft Office Visio Remote Code Execution Vulnerability
nvd
CVE-2022-21841P3HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2022-01-11
CVE-2022-21841 [HIGH] CVE-2022-21841: Microsoft Excel Remote Code Execution Vulnerability
Microsoft Excel Remote Code Execution Vulnerability
nvd
CVE-2021-40485P3HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2021-10-13
CVE-2021-40485 [HIGH] CWE-94 CVE-2021-40485: Microsoft Excel Remote Code Execution Vulnerability
Microsoft Excel Remote Code Execution Vulnerability
nvd
CVE-2021-40474P3HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2021-10-13
CVE-2021-40474 [HIGH] CVE-2021-40474: Microsoft Excel Remote Code Execution Vulnerability
Microsoft Excel Remote Code Execution Vulnerability
nvd
CVE-2021-40473P3HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2021-10-13
CVE-2021-40473 [HIGH] CVE-2021-40473: Microsoft Excel Remote Code Execution Vulnerability
Microsoft Excel Remote Code Execution Vulnerability
nvd
CVE-2021-40471P3HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2021-10-13
CVE-2021-40471 [HIGH] CVE-2021-40471: Microsoft Excel Remote Code Execution Vulnerability
Microsoft Excel Remote Code Execution Vulnerability
nvd
CVE-2021-40479P3HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2021-10-13
CVE-2021-40479 [HIGH] CVE-2021-40479: Microsoft Excel Remote Code Execution Vulnerability
Microsoft Excel Remote Code Execution Vulnerability
nvd
CVE-2022-24473P3HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2022-04-15
CVE-2022-24473 [HIGH] CVE-2022-24473: Microsoft Excel Remote Code Execution Vulnerability
Microsoft Excel Remote Code Execution Vulnerability
nvd