Microsoft 365 Apps For Enterprise vulnerabilities

CVE-2026-55054 [MEDIUM] CWE-125 CVE-2026-55054: 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 over a network.

CVE-2026-64918 [MEDIUM] CWE-522 CVE-2026-64918: Insufficiently protected credentials in Microsoft Office allows an unauthorized attacker to perform Insufficiently protected credentials in Microsoft Office allows an unauthorized attacker to perform spoofing over a network.

CVE-2026-88175 [MEDIUM] CWE-125 CVE-2026-88175: 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 over a network.

CVE-2026-88169 [MEDIUM] CWE-125 CVE-2026-88169: 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 over a network.

CVE-2026-88151 [MEDIUM] CWE-125 CVE-2026-88151: 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 over a network.

CVE-2026-88153 [MEDIUM] CWE-125 CVE-2026-88153: 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 over a network.

CVE-2026-88184 [MEDIUM] CWE-125 CVE-2026-88184: 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 over a network.

CVE-2026-108453 [MEDIUM] CWE-125 CVE-2026-108453: 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 over a network.

CVE-2026-108434 [MEDIUM] CWE-125 CVE-2026-108434: 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 over a network.

CVE-2026-108455 [MEDIUM] CWE-125 CVE-2026-108455: 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 over a network.

CVE-2026-108436 [MEDIUM] CWE-125 CVE-2026-108436: 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 over a network.

CVE-2026-88201 [MEDIUM] CWE-126 CVE-2026-88201: Buffer over-read in Microsoft Office Excel allows an unauthorized attacker to disclose information o Buffer over-read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.

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.

CVE-2026-70276 [HIGH] CWE-416 CVE-2026-70276: Use after free in Microsoft Office Click-To-Run allows an authorized attacker to elevate privileges Use after free in Microsoft Office Click-To-Run allows an authorized attacker to elevate privileges locally.

CVE-2026-80091 [MEDIUM] CWE-908 CVE-2026-80091: 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 over a network.

CVE-2026-97740 [MEDIUM] CWE-497 CVE-2026-97740: 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 over a network.

CVE-2022-33631 [HIGH] CWE-693 CVE-2022-33631: Microsoft Excel Security Feature Bypass Vulnerability Microsoft Excel Security Feature Bypass Vulnerability

CVE-2026-44818 [HIGH] CWE-362 CVE-2026-44818: Concurrent execution using shared resource with improper synchronization ('race condition') in Micro Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

CVE-2026-47293 [HIGH] CWE-416 CVE-2026-47293: Use after free in Microsoft Office Click-To-Run allows an authorized attacker to elevate privileges Use after free in Microsoft Office Click-To-Run allows an authorized attacker to elevate privileges locally.

CVE-2026-88203 [MEDIUM] CWE-822 CVE-2026-88203: Untrusted pointer dereference in Microsoft Office PowerPoint allows an unauthorized attacker to disc Untrusted pointer dereference in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information over a network.