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 20 of 22
CVE-2026-55028P4MEDIUMCVSS 5.5≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2026-07-14
CVE-2026-55028 [MEDIUM] CWE-125 CVE-2026-55028: 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-2026-55124P4MEDIUMCVSS 5.5≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2026-07-14
CVE-2026-55124 [MEDIUM] CWE-20 CVE-2026-55124: Improper validation of specified type of input in Microsoft Office Word allows an unauthorized attac
Improper validation of specified type of input in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
nvd
CVE-2026-55142P4MEDIUMCVSS 5.5≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2026-07-14
CVE-2026-55142 [MEDIUM] CWE-197 CVE-2026-55142: Numeric truncation error in Microsoft Office Word allows an unauthorized attacker to disclose inform
Numeric truncation error in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
nvd
CVE-2026-55050P4MEDIUMCVSS 5.5≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2026-07-14
CVE-2026-55050 [MEDIUM] CWE-125 CVE-2026-55050: 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 locally.
nvd
CVE-2026-50408P4MEDIUMCVSS 5.5≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2026-07-14
CVE-2026-50408 [MEDIUM] CWE-125 CVE-2026-50408: 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
CVE-2026-54988P4MEDIUMCVSS 6.1≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2026-07-14
CVE-2026-54988 [MEDIUM] CWE-125 CVE-2026-54988: 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
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-2026-55138P4MEDIUMCVSS 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-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-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-2025-48812P4MEDIUMCVSS 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
CVE-2024-38200MEDIUMCVSS 6.5PoC≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2024-08-08
CVE-2024-38200 [MEDIUM] CWE-200 Microsoft Office Spoofing Vulnerability
Microsoft Office Spoofing Vulnerability
Microsoft Office Spoofing Vulnerability
cvelistv5
CVE-2024-49065P4MEDIUMCVSS 5.5≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2024-12-12
CVE-2024-49065 [MEDIUM] CWE-125 CVE-2024-49065: Microsoft Office Remote Code Execution Vulnerability
Microsoft Office Remote Code Execution Vulnerability
nvd
CVE-2023-36767P4MEDIUMCVSS 4.3≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2023-09-12
CVE-2023-36767 [MEDIUM] CWE-20 CVE-2023-36767: Microsoft Office Security Feature Bypass Vulnerability
Microsoft Office Security Feature Bypass Vulnerability
nvd
CVE-2026-45460P4MEDIUMCVSS 4.7≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2026-06-09
CVE-2026-45460 [MEDIUM] CWE-126 CVE-2026-45460: Buffer over-read in Microsoft Office allows an unauthorized attacker to disclose information locally
Buffer over-read in Microsoft Office allows an unauthorized attacker to disclose information locally.
nvd
CVE-2026-40421P4MEDIUMCVSS 4.3≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2026-05-12
CVE-2026-40421 [MEDIUM] CWE-73 CVE-2026-40421: Files or directories accessible to external parties in Microsoft Office Word allows an unauthorized
Files or directories accessible to external parties in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
nvd
CVE-2021-42295P4MEDIUMCVSS 5.5≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2021-12-15
CVE-2021-42295 [MEDIUM] CVE-2021-42295: Visual Basic for Applications Information Disclosure Vulnerability
Visual Basic for Applications Information Disclosure Vulnerability
nvd
CVE-2021-43255P4MEDIUMCVSS 5.5≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2021-12-15
CVE-2021-43255 [MEDIUM] CVE-2021-43255: Microsoft Office Trust Center Spoofing Vulnerability
Microsoft Office Trust Center Spoofing Vulnerability
nvd
CVE-2022-41104P4MEDIUMCVSS 5.5≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2022-11-09
CVE-2022-41104 [MEDIUM] CVE-2022-41104: Microsoft Excel Security Feature Bypass Vulnerability
Microsoft Excel Security Feature Bypass Vulnerability
nvd