Oct 2026: Microsoft Office Excel Information Disclosure Vulnerability
CVE-2026-97740 Published on October 13, 2026
Microsoft Office Excel Information Disclosure Vulnerability
Exposure of sensitive system information to an unauthorized control sphere in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.
Weakness Type
Exposure of Sensitive System Information to an Unauthorized Control Sphere
The application does not properly prevent sensitive system-level information from being accessed by unauthorized actors who do not have the same level of access to the underlying system as the application does.
Products Associated with CVE-2026-97740
Want to know whenever a new CVE is published for Microsoft products? stack.watch will email you.
Affected Versions
Microsoft 365 Apps for Enterprise:- Version 16.0.1 and below https://aka.ms/OfficeSecurityReleases is affected.
- Version 1.0.0 and below 16.114.26101123 is affected.
- Version 16.0.1 and below 16.0.14334.20974 is affected.
- Version 16.0.0 and below 16.0.17932.21056 is affected.
- Version 16.0.1 and below 16.114.26101123 is affected.
- Version 16.0.0 and below 16.114.26101123 is affected.
- Version 16.0.0.0 and below 16.0.10417.20228 is affected.