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 31 of 40
CVE-2026-80079P3MEDIUMCVSS 6.5≥ 16.0.1, < 16.0.14334.209062026-09-08
CVE-2026-80079 [MEDIUM] CWE-125 CVE-2026-80079: Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information
Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.
nvd
CVE-2026-69626P3MEDIUMCVSS 6.5≥ 16.0.1, < 16.0.14334.209062026-09-08
CVE-2026-69626 [MEDIUM] CWE-126 CVE-2026-69626: Buffer over-read in Microsoft Office allows an unauthorized attacker to disclose information over a
Buffer over-read in Microsoft Office allows an unauthorized attacker to disclose information over a network.
nvd
CVE-2026-78503P3MEDIUMCVSS 6.5≥ 16.0.1, < 16.0.14334.209062026-09-08
CVE-2026-78503 [MEDIUM] CWE-125 CVE-2026-78503: Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information
Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.
nvd
CVE-2026-80084P3MEDIUMCVSS 6.5≥ 16.0.1, < 16.0.14334.209062026-09-08
CVE-2026-80084 [MEDIUM] CWE-125 CVE-2026-80084: Out-of-bounds read in Microsoft Office Outlook allows an unauthorized attacker to disclose informati
Out-of-bounds read in Microsoft Office Outlook allows an unauthorized attacker to disclose information over a network.
nvd
CVE-2026-80086P3MEDIUMCVSS 6.5≥ 16.0.1, < 16.0.14334.209062026-09-08
CVE-2026-80086 [MEDIUM] CWE-125 CVE-2026-80086: 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 over a network.
nvd
CVE-2026-72975P3MEDIUMCVSS 6.5≥ 16.0.1, < 16.0.14334.209062026-09-08
CVE-2026-72975 [MEDIUM] CWE-125 CVE-2026-72975: 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 over a network.
nvd
CVE-2026-78515P3MEDIUMCVSS 6.5≥ 16.0.1, < 16.0.14334.209062026-09-08
CVE-2026-78515 [MEDIUM] CWE-125 CVE-2026-78515: 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 over a network.
nvd
CVE-2026-78502P3MEDIUMCVSS 6.5≥ 16.0.1, < 16.0.14334.209062026-09-08
CVE-2026-78502 [MEDIUM] CWE-125 CVE-2026-78502: Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information
Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.
nvd
CVE-2026-80076P3MEDIUMCVSS 6.5≥ 16.0.1, < 16.0.14334.209062026-09-08
CVE-2026-80076 [MEDIUM] CWE-125 CVE-2026-80076: Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information over
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information over a network.
nvd
CVE-2026-69719P3MEDIUMCVSS 6.5≥ 16.0.1, < 16.0.14334.209062026-09-08
CVE-2026-69719 [MEDIUM] CWE-126 CVE-2026-69719: Buffer over-read in Microsoft Office Word allows an unauthorized attacker to disclose information ov
Buffer over-read in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.
nvd
CVE-2026-69734P3MEDIUMCVSS 6.5≥ 16.0.1, < 16.0.14334.209062026-09-08
CVE-2026-69734 [MEDIUM] CWE-125 CVE-2026-69734: Integer overflow or wraparound in Microsoft Office Word allows an unauthorized attacker to disclose
Integer overflow or wraparound in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.
nvd
CVE-2026-80082P3MEDIUMCVSS 6.5≥ 16.0.1, < 16.0.14334.209062026-09-08
CVE-2026-80082 [MEDIUM] CWE-125 CVE-2026-80082: Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information over
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information over a network.
nvd
CVE-2026-77911P3MEDIUMCVSS 6.5≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2026-09-08
CVE-2026-77911 [MEDIUM] CWE-125 CVE-2026-77911: Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information
Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.
nvd
CVE-2026-80088P3MEDIUMCVSS 6.5≥ 16.0.1, < 16.0.14334.209062026-09-08
CVE-2026-80088 [MEDIUM] CWE-125 CVE-2026-80088: Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information
Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.
nvd
CVE-2026-80090P3MEDIUMCVSS 6.5≥ 16.0.1, < 16.0.14334.209062026-09-08
CVE-2026-80090 [MEDIUM] CWE-125 CVE-2026-80090: Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information
Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.
nvd
CVE-2026-78522P3MEDIUMCVSS 6.5≥ 16.0.1, < 16.0.14334.209062026-09-08
CVE-2026-78522 [MEDIUM] CWE-125 CVE-2026-78522: Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information
Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.
nvd
CVE-2026-70327P3MEDIUMCVSS 6.5≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2026-08-11
CVE-2026-70327 [MEDIUM] CWE-125 CVE-2026-70327: 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 over a network.
nvd
CVE-2026-70328P3MEDIUMCVSS 6.5≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2026-08-11
CVE-2026-70328 [MEDIUM] CWE-125 CVE-2026-70328: 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 over a network.
nvd
CVE-2026-55054P3MEDIUMCVSS 6.5≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2026-07-14
CVE-2026-55054 [MEDIUM] CWE-125 CVE-2026-55054: 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 over a network.
nvd
CVE-2026-64918P3MEDIUMCVSS 6.5≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2026-09-08
CVE-2026-64918 [MEDIUM] CWE-522 CVE-2026-64918: Insufficiently protected credentials in Microsoft Office allows an unauthorized attacker to perform
Insufficiently protected credentials in Microsoft Office allows an unauthorized attacker to perform spoofing over a network.
nvd