Microsoft Office Ltsc 2021 vulnerabilities
781 known vulnerabilities affecting microsoft/microsoft_office_ltsc_2021.
Total CVEs
781
CISA KEV
9
actively exploited
Public exploits
13
Exploited in wild
12
Severity breakdown
CRITICAL13HIGH581MEDIUM179LOW8
Vulnerabilities
Page 37 of 40
CVE-2026-81401P4MEDIUMCVSS 5.5≥ 16.0.1, < 16.0.14334.209062026-09-08
CVE-2026-81401 [MEDIUM] CWE-843 CVE-2026-81401: 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 disclose information locally.
nvd
CVE-2026-78513P4MEDIUMCVSS 5.5≥ 16.0.1, < 16.0.14334.209062026-09-08
CVE-2026-78513 [MEDIUM] CWE-125 CVE-2026-78513: Out-of-bounds read in Microsoft Office PowerPoint allows an unauthorized attacker to disclose inform
Out-of-bounds read in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information locally.
nvd
CVE-2026-62842P4MEDIUMCVSS 5.5≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2026-08-11
CVE-2026-62842 [MEDIUM] CWE-125 CVE-2026-62842: Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information local
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.
nvd
CVE-2026-64899P4MEDIUMCVSS 5.5≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2026-08-11
CVE-2026-64899 [MEDIUM] CWE-125 CVE-2026-64899: Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information local
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.
nvd
CVE-2026-63517P4MEDIUMCVSS 5.5≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2026-08-11
CVE-2026-63517 [MEDIUM] CWE-125 CVE-2026-63517: Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information local
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.
nvd
CVE-2026-63524P4MEDIUMCVSS 5.5≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2026-08-11
CVE-2026-63524 [MEDIUM] CWE-125 CVE-2026-63524: Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information local
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.
nvd
CVE-2026-63529P4MEDIUMCVSS 5.5≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2026-08-11
CVE-2026-63529 [MEDIUM] CWE-125 CVE-2026-63529: Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information local
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.
nvd
CVE-2026-56195P4MEDIUMCVSS 5.5≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2026-07-14
CVE-2026-56195 [MEDIUM] CWE-125 CVE-2026-56195: Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information local
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.
nvd
CVE-2026-55138P4MEDIUMCVSS 5.5≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2026-07-14
CVE-2026-55138 [MEDIUM] CWE-822 CVE-2026-55138: Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to disclose
Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
nvd
CVE-2026-48580P4MEDIUMCVSS 5.5≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2026-07-14
CVE-2026-48580 [MEDIUM] CWE-822 CVE-2026-48580: Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to disclose
Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
nvd
CVE-2026-44821P4MEDIUMCVSS 5.5≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2026-06-09
CVE-2026-44821 [MEDIUM] CWE-125 CVE-2026-44821: Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information local
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.
nvd
CVE-2026-97744P4MEDIUMCVSS 5.5≥ 16.0.1, < 16.0.14334.209742026-10-13
CVE-2026-97744 [MEDIUM] CWE-125 CVE-2026-97744: Out-of-bounds read in Microsoft Office PowerPoint allows an unauthorized attacker to disclose inform
Out-of-bounds read in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information locally.
nvd
CVE-2026-66806P4MEDIUMCVSS 5.5≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2026-08-11
CVE-2026-66806 [MEDIUM] CWE-125 CVE-2026-66806: Off-by-one error in Microsoft Office Word allows an unauthorized attacker to disclose information lo
Off-by-one error in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
nvd
CVE-2022-24462P4MEDIUMCVSS 5.5≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2022-03-09
CVE-2022-24462 [MEDIUM] CVE-2022-24462: Microsoft Word Security Feature Bypass Vulnerability
Microsoft Word Security Feature Bypass Vulnerability
nvd
CVE-2025-59240P4MEDIUMCVSS 5.5≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-11-11
CVE-2025-59240 [MEDIUM] CWE-200 CVE-2025-59240: Exposure of sensitive information to an unauthorized actor in Microsoft Office Excel allows an unaut
Exposure of sensitive information to an unauthorized actor in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
nvd
CVE-2026-97005P4MEDIUMCVSS 5.5≥ 16.0.1, < 16.0.14334.209742026-10-13
CVE-2026-97005 [MEDIUM] CWE-125 CVE-2026-97005: Out-of-bounds read in Microsoft Office PowerPoint allows an unauthorized attacker to disclose inform
Out-of-bounds read in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information locally.
nvd
CVE-2026-72976P4MEDIUMCVSS 5.0≥ 16.0.1, < 16.0.14334.209062026-09-08
CVE-2026-72976 [MEDIUM] CWE-125 CVE-2026-72976: Out-of-bounds read in Microsoft Office Word allows an authorized attacker to disclose information lo
Out-of-bounds read in Microsoft Office Word allows an authorized attacker to disclose information locally.
nvd
CVE-2022-22716P4MEDIUMCVSS 5.5≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2022-02-09
CVE-2022-22716 [MEDIUM] CWE-119 CVE-2022-22716: Microsoft Excel Information Disclosure Vulnerability
Microsoft Excel Information Disclosure Vulnerability
nvd
CVE-2025-54901P4MEDIUMCVSS 5.5≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-09-09
CVE-2025-54901 [MEDIUM] CWE-126 CVE-2025-54901: Buffer over-read in Microsoft Office Excel allows an unauthorized attacker to disclose information l
Buffer over-read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
nvd
CVE-2025-48812P4MEDIUMCVSS 5.5≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-07-08
CVE-2025-48812 [MEDIUM] CWE-125 CVE-2025-48812: Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
nvd