CVE-2026-108448
7.5HighPublished 15 Oct 2026 · NVD status: Awaiting Analysis · AI triage by gemini-3.8-flash
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- Required
- Impact
- Full C/I/A compromise
- Weakness
- CWE-122
Impact
Remote attackers can execute arbitrary code on the victim's system, but they require user interaction such as opening a malicious email or file. Exploitation happens over the network without prior authentication.
Root cause
A heap-based buffer overflow flaw exists in Microsoft Office Outlook memory management.
Affected systems
Versions not listed — check the vendor advisory.
CVSS v3.1 · CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Fix & remediation
Check the Microsoft Security Update Guide at the referenced link for the fixed Outlook build and deploy it immediately; block untrusted inbound email attachments at the mail gateway if patching must wait.
AI-suggested. Run it in staging first and check it against the vendor advisory. Why?
NVD description
Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.