CVE-2026-97011
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-763, CWE-908
Impact
Remote attackers can execute arbitrary code in the context of the current user. To trigger it, an attacker must convince a user to open a crafted Excel file.
Root cause
Microsoft Office Excel uses an uninitialized resource when parsing files.
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 official Microsoft security update for Excel once released; as an interim measure, block untrusted Excel attachments at the email gateway and ensure Protected View remains enforced.
AI-suggested. Run it in staging first and check it against the vendor advisory. Why?
NVD description
Use of uninitialized resource in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.