CVE-2026-83850
7.8HighPublished 13 Oct 2026 · NVD status: Awaiting Analysis · AI triage by gemini-3.8-flash
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
- Impact
- Full C/I/A compromise
- Weakness
- CWE-122
Impact
A local authenticated attacker can gain elevated system privileges. They already need code execution or standard user access on the machine.
Root cause
A heap-based buffer overflow in the Windows Search Component allows arbitrary memory corruption during processing.
Affected systems
Versions not listed — check the vendor advisory.
CVSS v3.1 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Fix & remediation
Install the relevant Microsoft security update from the vendor advisory. If you cannot patch immediately, disable the Windows Search service (WSearch) to reduce exposure.
$ powershell.exe -Command "Stop-Service -Name WSearch -Force; Set-Service -Name WSearch -StartupType Disabled"AI-suggested. Run it in staging first and check it against the vendor advisory. Why?
NVD description
Heap-based buffer overflow in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally.