CVE-2026-97740 json
Microsoft Office Excel Information Disclosure Vulnerability
published 29d ago modified yesterday also EUVD-2026-99812
- cvss
- 6.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 58%
- public exploits
- 0
- none known
Summary
Exposure of sensitive system information to an unauthorized control sphere in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.
Patch / fix
- Microsoft Microsoft Office 365 for Mac 16.114.26101123
- Microsoft Microsoft Office LTSC 2021 16.0.14334.20974
- Microsoft Microsoft Office LTSC 2024 16.0.17932.21056
- Microsoft Microsoft Office LTSC for Mac 2021 16.114.26101123
- Microsoft Microsoft Office LTSC for Mac 2024 16.114.26101123
- Microsoft Office Online Server 16.0.10417.20228
Is CVE-2026-97740 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 29d ago
Exploit prediction
0.86% chance of exploitation in the next 30 days, higher than 58% of all scored CVEs (FIRST EPSS, 2026-11-11).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C |
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |
Affected products
- Microsoft Microsoft 365 Apps for Enterprise
- Microsoft Microsoft Office 365 for Mac
- Microsoft Microsoft Office LTSC 2021
- Microsoft Microsoft Office LTSC 2024
- Microsoft Microsoft Office LTSC for Mac 2021
- Microsoft Microsoft Office LTSC for Mac 2024
- Microsoft Office Online Server
Classification
- Weakness
-
- CWE-497 Exposure of Sensitive System Information to an Unauthorized Control Sphere
References
-
msrc.microsoft.com
/update-guide/vulnerability/CVE-2026-97740
vendor-advisory, patch
Sources
- CVE List CVE-2026-97740
- NVD CVE-2026-97740
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.