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 9 of 17
CVE-2025-27752HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-04-08
CVE-2025-27752 [HIGH] CWE-122 CVE-2025-27752: 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-2025-27749HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-04-08
CVE-2025-27749 [HIGH] CWE-416 CVE-2025-27749: 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-2025-24078HIGHCVSS 7.0≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-03-11
CVE-2025-24078 [HIGH] CWE-416 CVE-2025-24078: 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-2025-24080HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-03-11
CVE-2025-24080 [HIGH] CWE-416 CVE-2025-24080: 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-2025-24083HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-03-11
CVE-2025-24083 [HIGH] CWE-822 CVE-2025-24083: Untrusted pointer dereference in Microsoft Office allows an unauthorized attacker to execute code lo
Untrusted pointer dereference in Microsoft Office allows an unauthorized attacker to execute code locally.
nvd
CVE-2025-24081HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-03-11
CVE-2025-24081 [HIGH] CWE-416 CVE-2025-24081: 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-2025-24057HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-03-11
CVE-2025-24057 [HIGH] CWE-122 CVE-2025-24057: 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
CVE-2025-26630HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-03-11
CVE-2025-26630 [HIGH] CWE-416 CVE-2025-26630: Use after free in Microsoft Office Access allows an unauthorized attacker to execute code locally.
Use after free in Microsoft Office Access allows an unauthorized attacker to execute code locally.
nvd
CVE-2025-24082HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-03-11
CVE-2025-24082 [HIGH] CWE-416 CVE-2025-24082: 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-2025-24075HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-03-11
CVE-2025-24075 [HIGH] CWE-121 CVE-2025-24075: Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute cod
Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
nvd
CVE-2025-24079HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-03-11
CVE-2025-24079 [HIGH] CWE-416 CVE-2025-24079: 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-2025-21387HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-02-11
CVE-2025-21387 [HIGH] CWE-416 CVE-2025-21387: Microsoft Excel Remote Code Execution Vulnerability
Microsoft Excel Remote Code Execution Vulnerability
nvd
CVE-2025-21397HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-02-11
CVE-2025-21397 [HIGH] CWE-416 CVE-2025-21397: Microsoft Office Remote Code Execution Vulnerability
Microsoft Office Remote Code Execution Vulnerability
nvd
CVE-2025-21390HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-02-11
CVE-2025-21390 [HIGH] CWE-122 CVE-2025-21390: Microsoft Excel Remote Code Execution Vulnerability
Microsoft Excel Remote Code Execution Vulnerability
nvd
CVE-2025-21386HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-02-11
CVE-2025-21386 [HIGH] CWE-416 CVE-2025-21386: Microsoft Excel Remote Code Execution Vulnerability
Microsoft Excel Remote Code Execution Vulnerability
nvd
CVE-2025-21392HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-02-11
CVE-2025-21392 [HIGH] CWE-416 CVE-2025-21392: Microsoft Office Remote Code Execution Vulnerability
Microsoft Office Remote Code Execution Vulnerability
nvd
CVE-2025-21381HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-02-11
CVE-2025-21381 [HIGH] CWE-822 CVE-2025-21381: Microsoft Excel Remote Code Execution Vulnerability
Microsoft Excel Remote Code Execution Vulnerability
nvd
CVE-2025-21394HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-02-11
CVE-2025-21394 [HIGH] CWE-416 CVE-2025-21394: Microsoft Excel Remote Code Execution Vulnerability
Microsoft Excel Remote Code Execution Vulnerability
nvd
CVE-2025-21383MEDIUMCVSS 5.5≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-02-11
CVE-2025-21383 [MEDIUM] CWE-125 CVE-2025-21383: Microsoft Excel Information Disclosure Vulnerability
Microsoft Excel Information Disclosure Vulnerability
nvd
CVE-2025-21186HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-01-14
CVE-2025-21186 [HIGH] CWE-122 CVE-2025-21186: Microsoft Access Remote Code Execution Vulnerability
Microsoft Access Remote Code Execution Vulnerability
nvd