Microsoft Office Ltsc 2024 vulnerabilities

CVE-2026-21261 [MEDIUM] CWE-125 CVE-2026-21261: 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.

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.

CVE-2026-35440 [MEDIUM] CWE-552 CVE-2026-35440: 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.

CVE-2026-55057 [MEDIUM] CWE-190 CVE-2026-55057: Integer overflow or wraparound in Microsoft Office allows an unauthorized attacker to disclose infor Integer overflow or wraparound in Microsoft Office allows an unauthorized attacker to disclose information locally.

CVE-2026-55042 [MEDIUM] CWE-908 CVE-2026-55042: Use of uninitialized resource in Microsoft Office allows an unauthorized attacker to disclose inform Use of uninitialized resource in Microsoft Office allows an unauthorized attacker to disclose information locally.

CVE-2025-54901 [MEDIUM] CWE-126 CVE-2025-54901: Buffer over-read in Microsoft Office Excel allows an unauthorized attacker to disclose information l Buffer over-read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.

CVE-2026-55027 [MEDIUM] CWE-125 CVE-2026-55027: 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.

CVE-2026-55023 [MEDIUM] CWE-125 CVE-2026-55023: 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.

CVE-2026-55047 [MEDIUM] CWE-125 CVE-2026-55047: 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.

CVE-2026-55046 [MEDIUM] CWE-125 CVE-2026-55046: 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.

CVE-2026-56195 [MEDIUM] CWE-125 CVE-2026-56195: 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.

CVE-2026-56192 [MEDIUM] CWE-125 CVE-2026-56192: 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.

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.

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.

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.

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.

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.

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.

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.

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.