CVE-2026-108440
8.8HighPublished 15 Oct 2026 · NVD status: Awaiting Analysis · 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-121
Impact
Remote attackers can execute arbitrary code on the victim's system, but they require a user to open a malicious Word document.
Root cause
A stack-based buffer overflow flaw exists in Microsoft Office Word's document 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 updates from Microsoft Update, or block untrusted Word attachments at your email perimeter until patches are applied.
AI-suggested. Run it in staging first and check it against the vendor advisory. Why?
NVD description
Stack-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.