Microsoft Office Ltsc 2021 vulnerabilities

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-2025-59221 [HIGH] CWE-416 CVE-2025-59221: 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-2026-55054 [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-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-2023-21741 [HIGH] CWE-125 CVE-2023-21741: Microsoft Office Visio Information Disclosure Vulnerability Microsoft Office Visio Information Disclosure Vulnerability

CVE-2025-24078 [HIGH] CWE-416 CVE-2025-24078: 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-2025-49699 [HIGH] CWE-416 CVE-2025-49699: Use after free in Microsoft Office allows an unauthorized attacker to execute code locally. Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.

CVE-2021-42293 [MEDIUM] CVE-2021-42293: Microsoft Jet Red Database Engine and Access Connectivity Engine Elevation of Privilege Vulnerabilit Microsoft Jet Red Database Engine and Access Connectivity Engine Elevation of Privilege Vulnerability

CVE-2024-38173 [MEDIUM] CWE-73 CVE-2024-38173: Microsoft Outlook Remote Code Execution Vulnerability Microsoft Outlook Remote Code Execution Vulnerability

CVE-2025-21357 [MEDIUM] CWE-908 CVE-2025-21357: Microsoft Outlook Remote Code Execution Vulnerability Microsoft Outlook Remote Code Execution Vulnerability

CVE-2025-60726 [HIGH] CWE-125 CVE-2025-60726: 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-2025-59235 [HIGH] CWE-125 CVE-2025-59235: 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-2025-62202 [HIGH] CWE-125 CVE-2025-62202: 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-2026-21530 [MEDIUM] CWE-415 CVE-2026-21530: Double free in Windows Rich Text Edit allows an authorized attacker to elevate privileges locally. Double free in Windows Rich Text Edit allows an authorized attacker to elevate privileges locally.

CVE-2026-32188 [HIGH] CWE-125 CVE-2026-32188: 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-2025-59232 [HIGH] CWE-125 CVE-2025-59232: 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-2026-55122 [HIGH] CWE-125 CVE-2026-55122: 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-2026-55898 [HIGH] CWE-125 CVE-2026-55898: 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.