High · CVSS 7.3CVE-2026-6064

Norton, Avast, and AVG local privilege escalation via link following in Data ShredderCVE-2026-6064

Answer in brief

CVE-2026-6064 records a High severity (CVSS 7.3) vulnerability in Norton, Avast, and AVG local privilege escalation via link following in Data Shredder. The current sources do not mark it as known exploited. The current feed maps Gen Digital/Avast Antivirus (generic), Gen Digital/AVG Internet Security (generic), Gen Digital/Norton Antivirus (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 28, 2026Updated Oct 28, 2026Source checked Oct 28, 2026First seen by HOL Oct 28, 2026Material review Oct 28, 2026

Upstream Advisory

Key facts

Risk: High · CVSS 7.3
Exploitation: Not marked as known exploited
Affected software: 3 mapped packages or products
Fix availability: Available

Why this deserves its current priority

CVSS is 7.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Gen Digital/Avast Antivirus (generic), Gen Digital/AVG Internet Security (generic), Gen Digital/Norton Antivirus (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Gen Digital/Avast Antivirusgeneric	>=0 <26.5	26.5
Gen Digital/AVG Internet Securitygeneric	>=0 <26.5	26.5
Gen Digital/Norton Antivirusgeneric	>=0 <26.5	26.5

Recommended response

Check inventory. Check lockfiles and deployed manifests for Gen Digital/Avast Antivirus, Gen Digital/AVG Internet Security, Gen Digital/Norton Antivirus.
Review the reported fix. Source-reported solution: Customers are advised to upgrade to version >26.5 released on or after May 2026

Evidence timeline and material changes

Published upstream
Oct 28, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Oct 28, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Oct 28, 2026

Sources and claim methodology

Source referencegendigital.com

Upstream source description

Link following vulnerability in Data Shredder components in Norton Antivirus, Avast Antivirus, and AVG Internet Security prior to 26.5.10933 on Windows allows a local, low-privileged attacker to escalate privileges to SYSTEM. During a privileged shred operation, enabling arbitrary file/folder deletion that is leveraged to gain NT AUTHORITY\SYSTEM privelages.

Quoted source text, attributed separately from HOL analysis.