Exposed dangerous method or function in Avast Premium Security - CVE-2026-5424
Published: April 22, 2026
Vulnerability identifier: #VU126843
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-5424
CWE-ID: CWE-749
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Avast Software s.r.o.
Affected software:
Avast Premium Security
Avast Premium Security
Detailed vulnerability description
The vulnerability allows a local user to compromise the target system.
The vulnerability exists due to the exposure of a dangerous function within the Gen Self Protection driver. A local user can gain elevated privileges on the target system.
How to mitigate CVE-2026-5424
Install updates from vendor's website.