CVE-2026-6064 Norton Antivirus, Avast Antivirus & AVG Internet Security - Privilege Escalation

Norton Antivirus, Avast Antivirus, and AVG Internet Security < 26.5.10933 on Windows contain a privilege escalation caused by arbitrary file/folder deletion during privileged shred operation, letting local low-privileged attackers escalate to SYSTEM.

CVSS base score 7.3 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
View the NVD record ↗

Details

Type
Privilege Escalation
Impact
Privilege Escalation, File System Write, Data Tampering
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Published
28 October 2026
Updated
29 October 2026
Weakness
CWE-59

Vendor fix

Update to version 26.5.10933 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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