CVE-2026-55132: Microsoft Word Remote Code Execution Vulnerability
Double free in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Other sources
Microsoft Word Remote Code Execution Vulnerability
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.0.5561.1000Patch KB5002890 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.0.19725.20434Patch KB5002882 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.111.26071215 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.0.10417.20175Patch KB5002885 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.0.5561.1001Patch KB5002892
Event History
Frequently Asked Questions
What is the severity of CVE-2026-55132?
The severity of CVE-2026-55132 is rated high with a score of 7.8.
What software is affected by CVE-2026-55132?
CVE-2026-55132 affects Microsoft Word, Microsoft SharePoint Server, and multiple versions of Microsoft Office.
How do I fix CVE-2026-55132?
CVE-2026-55132 can be fixed by applying the available patch provided by Microsoft.
What type of vulnerability is CVE-2026-55132?
CVE-2026-55132 is a remote code execution vulnerability caused by a double free error in Microsoft Office Word.
Can CVE-2026-55132 be exploited remotely?
Yes, an unauthorized attacker can exploit CVE-2026-55132 to execute code locally on vulnerable systems.