cbcvebase.

Microsoft Office Ltsc 2021 vulnerabilities

331 known vulnerabilities affecting microsoft/microsoft_office_ltsc_2021.

Total CVEs
331
CISA KEV
9
actively exploited
Public exploits
9
Exploited in wild
8
Severity breakdown
CRITICAL4HIGH281MEDIUM45LOW1

Vulnerabilities

Page 6 of 17
CVE-2025-53739HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-08-12
CVE-2025-53739 [HIGH] CWE-843 CVE-2025-53739: Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an un Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
nvd
CVE-2025-53738HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-08-12
CVE-2025-53738 [HIGH] CWE-416 CVE-2025-53738: Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally. Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.
nvd
CVE-2025-53735HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-08-12
CVE-2025-53735 [HIGH] CWE-416 CVE-2025-53735: Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
nvd
CVE-2025-53741HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-08-12
CVE-2025-53741 [HIGH] CWE-122 CVE-2025-53741: Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
nvd
CVE-2025-53784HIGHCVSS 8.4≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-08-12
CVE-2025-53784 [HIGH] CWE-416 CVE-2025-53784: Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally. Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.
nvd
CVE-2025-53733HIGHCVSS 8.4≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-08-12
CVE-2025-53733 [HIGH] CWE-681 CVE-2025-53733: Incorrect conversion between numeric types in Microsoft Office Word allows an unauthorized attacker Incorrect conversion between numeric types in Microsoft Office Word allows an unauthorized attacker to execute code locally.
nvd
CVE-2025-53740HIGHCVSS 8.4≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-08-12
CVE-2025-53740 [HIGH] CWE-416 CVE-2025-53740: Use after free in Microsoft Office allows an unauthorized attacker to execute code locally. Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
nvd
CVE-2025-53730HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-08-12
CVE-2025-53730 [HIGH] CWE-416 CVE-2025-53730: Use after free in Microsoft Office Visio allows an unauthorized attacker to execute code locally. Use after free in Microsoft Office Visio allows an unauthorized attacker to execute code locally.
nvd
CVE-2025-53731HIGHCVSS 8.4≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-08-12
CVE-2025-53731 [HIGH] CWE-416 CVE-2025-53731: Use after free in Microsoft Office allows an unauthorized attacker to execute code locally. Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
nvd
CVE-2025-53761HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-08-12
CVE-2025-53761 [HIGH] CWE-416 CVE-2025-53761: Use after free in Microsoft Office PowerPoint allows an unauthorized attacker to execute code locall Use after free in Microsoft Office PowerPoint allows an unauthorized attacker to execute code locally.
nvd
CVE-2025-53737HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-08-12
CVE-2025-53737 [HIGH] CWE-122 CVE-2025-53737: Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
nvd
CVE-2025-53736MEDIUMCVSS 6.2≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-08-12
CVE-2025-53736 [MEDIUM] CWE-126 CVE-2025-53736: Buffer over-read in Microsoft Office Word allows an unauthorized attacker to disclose information lo Buffer over-read in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
nvd
CVE-2025-49698HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-07-08
CVE-2025-49698 [HIGH] CWE-416 CVE-2025-49698: Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally. Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.
nvd
CVE-2025-49705HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-07-08
CVE-2025-49705 [HIGH] CWE-122 CVE-2025-49705: Heap-based buffer overflow in Microsoft Office PowerPoint allows an unauthorized attacker to execute Heap-based buffer overflow in Microsoft Office PowerPoint allows an unauthorized attacker to execute code locally.
nvd
CVE-2025-49711HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-07-08
CVE-2025-49711 [HIGH] CWE-416 CVE-2025-49711: Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
nvd
CVE-2025-49696HIGHCVSS 8.4≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-07-08
CVE-2025-49696 [HIGH] CWE-122 CVE-2025-49696: Out-of-bounds read in Microsoft Office allows an unauthorized attacker to execute code locally. Out-of-bounds read in Microsoft Office allows an unauthorized attacker to execute code locally.
nvd
CVE-2025-49695HIGHCVSS 8.4≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-07-08
CVE-2025-49695 [HIGH] CWE-416 CVE-2025-49695: Use after free in Microsoft Office allows an unauthorized attacker to execute code locally. Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
nvd
CVE-2025-49702HIGHCVSS 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-2025-49703HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-07-08
CVE-2025-49703 [HIGH] CWE-416 CVE-2025-49703: Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally. Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.
nvd
CVE-2025-49697HIGHCVSS 8.4≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-07-08
CVE-2025-49697 [HIGH] CWE-122 CVE-2025-49697: Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code local Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
nvd