Severity
High
Analysis Summary
CVE-2025-62553 CVSS:7.8
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2025-62556 CVSS:7.8
Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2025-62560 CVSS:7.8
Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2025-62561 CVSS:7.8
Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2025-62563 CVSS:7.8
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2025-62564 CVSS:7.8
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2025-62555 CVSS:7
Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.
CVE-2025-62558 CVSS:7.8
Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.
CVE-2025-62559 CVSS:7.8
Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Impact
- Code Execution
Indicators of Compromise
CVE
- CVE-2025-62553
- CVE-2025-62556
- CVE-2025-62560
- CVE-2025-62561
- CVE-2025-62563
- CVE-2025-62564
- CVE-2025-62555
- CVE-2025-62558
- CVE-2025-62559
Affected Vendors
- Microsoft
Affected Products
- Microsoft Office LTSC for Mac 2021
- Microsoft 365 Apps for Enterprise for 32-bit Systems
- Microsoft 365 Apps for Enterprise for 64-bit Systems
- Microsoft Office 2019 for 32-bit editions
- Microsoft Office 2019 for 64-bit editions
- Microsoft Office LTSC 2021 for 32-bit editions
- Microsoft Office LTSC 2021 for 64-bit editions
- Microsoft Office LTSC 2024 for 64-bit editions
- Microsoft Office LTSC 2024 for 32-bit editions
- Microsoft Office LTSC for Mac 2024
- Microsoft Excel 2016 (64-bit edition)
- Microsoft Excel 2016 (32-bit edition)
- Microsoft Word 2016 (64-bit edition)
- Microsoft Word 2016 (32-bit edition)
Remediation
Use Microsoft Automatic Update to apply the appropriate patch for your system, or the Microsoft Security Update Guide to search for available patches.


