Quick answers
- Is CVE-2026-69922 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-69922 being exploited in the wild.
- How severe is CVE-2026-69922?
- Medium severity, with a CVSS score of 6.5, published 13 October 2026.
- Which products and versions are affected?
- Microsoft Excel.
- Is there a fix for CVE-2026-69922?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-69922 attacked?
- It is attacked over the network, in a web application.
- Am I affected by CVE-2026-69922?
- Check whether you run Microsoft 365 Apps, Microsoft Excel, Microsoft Office 2021 or one of the others listed. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
An out-of-bounds read vulnerability in Microsoft Excel allows an attacker to read memory beyond allocated buffer boundaries. The flaw is triggered via a malicious Excel file sent over the network, requiring user interaction to open the file, and results in information disclosure without authentication. The attack vector is network-based with user interaction required (UI:R).
Affected products
- Microsoft Excel
Timeline
- 2026-10-13: disclosed