VULNERABILITY INTELLIGENCE
CVE-2023-5760
CVSS score8.2 HIGH
EPSS probability0.19%
CISA KEVNot currently listed
Published2023-11-08
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
Description
A time-of-check to time-of-use (TOCTOU) bug in handling of IOCTL (input/output control) requests. This TOCTOU bug leads to an out-of-bounds write vulnerability which can be further exploited, allowing an attacker to gain full local privilege escalation on the system.This issue affects Avast/Avg Antivirus: 23.8.
Weakness classification
- security@nortonlifelock.com: CWE-367
- nvd@nist.gov: CWE-367
Primary references
- security@nortonlifelock.com — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory