Microsoft Office Ltsc 2021 vulnerabilities

316 known vulnerabilities affecting microsoft/microsoft_office_ltsc_2021.

Total CVEs
316
CISA KEV
9
actively exploited
Public exploits
9
Exploited in wild
8
Severity breakdown
CRITICAL4HIGH268MEDIUM43LOW1

Vulnerabilities

Page 3 of 16
CVE-2025-62563HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-12-09
CVE-2025-62563 [HIGH] CWE-416 CVE-2025-62563: 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.
cvelistv5nvd
CVE-2025-62553HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-12-09
CVE-2025-62553 [HIGH] CWE-416 CVE-2025-62553: 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.
cvelistv5nvd
CVE-2025-62559HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-12-09
CVE-2025-62559 [HIGH] CWE-416 CVE-2025-62559: 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.
cvelistv5nvd
CVE-2025-62561HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-12-09
CVE-2025-62561 [HIGH] CWE-822 CVE-2025-62561: Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute c Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
cvelistv5nvd
CVE-2025-62556HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-12-09
CVE-2025-62556 [HIGH] CWE-822 CVE-2025-62556: Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute c Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
cvelistv5nvd
CVE-2025-60727HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-11-11
CVE-2025-60727 [HIGH] CWE-125 CVE-2025-60727: Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
cvelistv5nvd
CVE-2025-62205HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-11-11
CVE-2025-62205 [HIGH] CWE-416 CVE-2025-62205: 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.
cvelistv5nvd
CVE-2025-62202HIGHCVSS 7.1≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-11-11
CVE-2025-62202 [HIGH] CWE-125 CVE-2025-62202: 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.
cvelistv5nvd
CVE-2025-62216HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-11-11
CVE-2025-62216 [HIGH] CWE-416 CVE-2025-62216: 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.
cvelistv5nvd
CVE-2025-62203HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-11-11
CVE-2025-62203 [HIGH] CWE-416 CVE-2025-62203: 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.
cvelistv5nvd
CVE-2025-62200HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-11-11
CVE-2025-62200 [HIGH] CWE-822 CVE-2025-62200: Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute c Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
cvelistv5nvd
CVE-2025-62201HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-11-11
CVE-2025-62201 [HIGH] CWE-122 CVE-2025-62201: 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.
cvelistv5nvd
CVE-2025-60726HIGHCVSS 7.1≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-11-11
CVE-2025-60726 [HIGH] CWE-125 CVE-2025-60726: 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.
cvelistv5nvd
CVE-2025-62199HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-11-11
CVE-2025-62199 [HIGH] CWE-416 CVE-2025-62199: 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.
cvelistv5nvd
CVE-2025-59240MEDIUMCVSS 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.
cvelistv5nvd
CVE-2025-59225HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-10-14
CVE-2025-59225 [HIGH] CWE-416 CVE-2025-59225: 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.
cvelistv5nvd
CVE-2025-59231HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-10-14
CVE-2025-59231 [HIGH] CWE-843 CVE-2025-59231: 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 execute code locally.
cvelistv5nvd
CVE-2025-59222HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-10-14
CVE-2025-59222 [HIGH] CWE-416 CVE-2025-59222: 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.
cvelistv5nvd
CVE-2025-59235HIGHCVSS 7.1≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-10-14
CVE-2025-59235 [HIGH] CWE-125 CVE-2025-59235: 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.
cvelistv5nvd
CVE-2025-59236HIGHCVSS 7.8≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases2025-10-14
CVE-2025-59236 [HIGH] CWE-416 CVE-2025-59236: 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.
cvelistv5nvd