cbcvebase.

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
Microsoft Office Ltsc 2021 vulnerabilities | cvebase