Microsoft Office 365 For Mac vulnerabilities

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-2026-81399 [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.

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-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.