Microsoft Office 2019 vulnerabilities

CVE-2026-21258 [MEDIUM] CWE-20 CVE-2026-21258: Improper input validation in Microsoft Office Excel allows an unauthorized attacker to disclose info Improper input validation in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.

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-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-2026-55050 [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-2026-55027 [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-2026-55047 [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-2026-55023 [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-2026-55046 [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-2026-55057 [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-2026-50408 [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-2026-55042 [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-2026-70314 [MEDIUM] CWE-20 CVE-2026-70314: Improper input validation in Microsoft Office allows an unauthorized attacker to disclose informatio Improper input validation in Microsoft Office 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-2026-83951 [MEDIUM] CWE-126 CVE-2026-83951: Buffer over-read in Microsoft Office Word allows an unauthorized attacker to disclose information lo Buffer over-read in Microsoft Office Word allows an unauthorized attacker to disclose information locally.

CVE-2026-83949 [MEDIUM] CWE-126 CVE-2026-83949: Buffer over-read in Microsoft Office Word allows an unauthorized attacker to disclose information lo Buffer over-read in Microsoft Office Word allows an unauthorized attacker to disclose information locally.

CVE-2026-81399 [MEDIUM] CWE-126 CVE-2026-81399: 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-2026-70315 [MEDIUM] CWE-125 CVE-2026-70315: 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-2026-70319 [MEDIUM] CWE-20 CVE-2026-70319: Improper input validation in Microsoft Office Word allows an unauthorized attacker to disclose infor Improper input validation in Microsoft Office Word allows an unauthorized attacker to disclose information locally.