CVE-2026-97762
8.8HighPublished 13 Oct 2026 · NVD status: Analyzed · AI triage by gemini-3.8-flash
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
- Impact
- Full C/I/A compromise
- Weakness
- CWE-787
Impact
Remote attackers can execute arbitrary code with the privileges of the local user if a user opens a specially crafted file. Exploitation requires user interaction to open the malicious document.
Root cause
An out-of-bounds memory write bug (CWE-787) in Microsoft Office Excel's file parsing logic.
Affected systems
Versions not listed — check the vendor advisory.
CVSS v3.1 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Fix & remediation
Install the latest Microsoft Office security update from MSRC; if immediate patching is not possible, block untrusted Excel attachments at the email perimeter and enforce Protected View.
AI-suggested. Run it in staging first and check it against the vendor advisory. Why?
NVD description
Out-of-bounds write in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-97762PatchVendor Advisory