CVE-2026-80080: Microsoft Office Word Remote Code Execution Vulnerability
Double free in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
Other sources
Microsoft Office 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 16.0.5569.1000Patch KB5002923 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.0.10417.20204 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.0.17932.20960 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.0.20326.20136 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.0.14334.20896
Event History
Frequently Asked Questions
Which Office installations are identified as affected?
The affected products listed are Word 2016, Microsoft 365 Apps for Enterprise, Office 365 for Mac, Office 2019 for 32-bit and 64-bit editions, and Office LTSC 2024 for Mac and for 32-bit and 64-bit Windows editions.
Does exploitation require an authenticated account or a complex attack setup?
The provided severity vector indicates network attack access, low attack complexity, and no privileges required. It also indicates user interaction is required.
What impact could successful exploitation have?
Successful exploitation may allow an unauthorized attacker to execute code. The supplied vector rates confidentiality, integrity, and availability impact as high.