Microsoft Office 2019 vulnerabilities

CVE-2026-66806 [MEDIUM] CWE-125 CVE-2026-66806: Off-by-one error in Microsoft Office Word allows an unauthorized attacker to disclose information lo Off-by-one error in Microsoft Office Word allows an unauthorized attacker to disclose information locally.

CVE-2026-70312 [MEDIUM] CWE-20 CVE-2026-70312: Improper input validation in Microsoft Office PowerPoint allows an unauthorized attacker to disclose Improper input validation in Microsoft Office PowerPoint 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-2026-55142 [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-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-2026-78513 [MEDIUM] CWE-125 CVE-2026-78513: Out-of-bounds read in Microsoft Office PowerPoint allows an unauthorized attacker to disclose inform Out-of-bounds read in Microsoft Office PowerPoint 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-2026-55138 [MEDIUM] CWE-822 CVE-2026-55138: 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-2026-48580 [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-2026-81401 [MEDIUM] CWE-843 CVE-2026-81401: 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 disclose information locally.

CVE-2026-81392 [MEDIUM] CWE-20 CVE-2026-81392: 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-2026-81395 [MEDIUM] CWE-125 CVE-2026-81395: 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-2026-44821 [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.

CVE-2026-63530 [MEDIUM] CWE-125 CVE-2026-63530: 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-2026-68797 [MEDIUM] CWE-125 CVE-2026-68797: 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-2026-81387 [MEDIUM] CWE-497 CVE-2026-81387: Exposure of sensitive system information to an unauthorized control sphere in Microsoft Office Excel Exposure of sensitive system information to an unauthorized control sphere in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.

CVE-2026-81390 [MEDIUM] CWE-125 CVE-2026-81390: 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-2026-81394 [MEDIUM] CWE-497 CVE-2026-81394: Exposure of sensitive system information to an unauthorized control sphere in Microsoft Office Excel Exposure of sensitive system information to an unauthorized control sphere in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.

CVE-2026-81958 [MEDIUM] CWE-908 CVE-2026-81958: Use of uninitialized resource in Microsoft Office Excel allows an unauthorized attacker to disclose Use of uninitialized resource in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.

CVE-2026-81393 [MEDIUM] CWE-125 CVE-2026-81393: 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.