CVE-2023-5760

HIGH

Avast/Avg Antivirus 23.8 - Time-of-check Time-of-use Race Condition via IOCTL Request Handling

Title source: llm
STIX 2.1

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.

References (1)

Core 1

Scores

CVSS v3 8.2
EPSS 0.0019
EPSS Percentile 8.7%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-367
Status published
Products (1)
avast/avg_antivirus 23.8
Published Nov 08, 2023
Tracked Since Feb 18, 2026