Microsoft Office Long Term Servicing Channel vulnerabilities
279 known vulnerabilities affecting microsoft/office_long_term_servicing_channel.
Total CVEs
279
CISA KEV
9
actively exploited
Public exploits
9
Exploited in wild
8
Severity breakdown
CRITICAL4HIGH251MEDIUM23LOW1
Vulnerabilities
Page 2 of 14
CVE-2026-20952HIGHCVSS 8.4v2021v20242026-01-13
CVE-2026-20952 [HIGH] CWE-416 CVE-2026-20952: 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-2026-20957HIGHCVSS 7.8v2021v20242026-01-13
CVE-2026-20957 [HIGH] CWE-122 CVE-2026-20957: Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to
Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
nvd
CVE-2026-20944HIGHCVSS 8.4v2021v20242026-01-13
CVE-2026-20944 [HIGH] CWE-125 CVE-2026-20944: Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to execute code locally.
nvd
CVE-2025-62562HIGHCVSS 7.8v2021v20242025-12-09
CVE-2025-62562 [HIGH] CWE-416 CVE-2025-62562: Use after free in Microsoft Office Outlook allows an unauthorized attacker to execute code locally.
Use after free in Microsoft Office Outlook allows an unauthorized attacker to execute code locally.
nvd
CVE-2025-62555HIGHCVSS 7.0v2021v20242025-12-09
CVE-2025-62555 [HIGH] CWE-416 CVE-2025-62555: 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-2025-62564HIGHCVSS 7.8v2021v20242025-12-09
CVE-2025-62564 [HIGH] CWE-125 CVE-2025-62564: 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.
nvd
CVE-2025-62558HIGHCVSS 7.8v2021v20242025-12-09
CVE-2025-62558 [HIGH] CWE-416 CVE-2025-62558: 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-2025-62552HIGHCVSS 7.8v2021v20242025-12-09
CVE-2025-62552 [HIGH] CWE-23 CVE-2025-62552: Relative path traversal in Microsoft Office Access allows an unauthorized attacker to execute code l
Relative path traversal in Microsoft Office Access allows an unauthorized attacker to execute code locally.
nvd
CVE-2025-62560HIGHCVSS 7.8v2021v20242025-12-09
CVE-2025-62560 [HIGH] CWE-126 CVE-2025-62560: 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.
nvd
CVE-2025-62553HIGHCVSS 7.8v2021v20242025-12-09
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.
nvd
CVE-2025-62563HIGHCVSS 7.8v2021v20242025-12-09
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.
nvd
CVE-2025-62554HIGHCVSS 7.8v2021v20242025-12-09
CVE-2025-62554 [HIGH] CWE-843 CVE-2025-62554: Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthor
Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthorized attacker to execute code locally.
nvd
CVE-2025-62561HIGHCVSS 7.8v2021v20242025-12-09
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.
nvd
CVE-2025-62557HIGHCVSS 7.8v2021v20242025-12-09
CVE-2025-62557 [HIGH] CWE-416 CVE-2025-62557: 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-2025-62556HIGHCVSS 7.8v2021v20242025-12-09
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.
nvd
CVE-2025-62559HIGHCVSS 7.8v2021v20242025-12-09
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.
nvd
CVE-2025-60724CRITICALCVSS 9.8v2021v20242025-11-11
CVE-2025-60724 [CRITICAL] CWE-122 CVE-2025-60724: Heap-based buffer overflow in Microsoft Graphics Component allows an unauthorized attacker to execut
Heap-based buffer overflow in Microsoft Graphics Component allows an unauthorized attacker to execute code over a network.
nvd
CVE-2025-62202HIGHCVSS 7.1v2021v20242025-11-11
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.
nvd
CVE-2025-62205HIGHCVSS 7.8v2021v20242025-11-11
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.
nvd
CVE-2025-62216HIGHCVSS 7.8v2021v20242025-11-11
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.
nvd