Is there a public exploit for CVE-2026-80302?

No public exploit for CVE-2026-80302 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-80302?

CVE-2026-80302 scores CVSS 8.8 (v3.1), rated high. EPSS puts the chance of exploitation in the next 30 days at 0.17%.

What does CVE-2026-80302 affect?

CVE-2026-80302 affects Gen Digital Norton Antivirus Plus, Norton 360 Standard, Norton 360 Deluxe, Norton 360 Advanced, AVG Antivirus Free, AVG Internet Security, AVG Ultimate, Avast Antivirus, Avast One, Avast Premium Security, Avast Ultimate.

8.8 High

Insufficient isolation in the Avast sandbox file virtualization layer on Windows allows a local, low-privileged attacker executing inside…

CVE-2026-80302

Insufficient isolation in the Avast sandbox file virtualization layer on Windows allows a local, low-privileged attacker executing inside the sandbox to write arbitrary files outside sandbox containment and execute code on the host. The sandbox virtualizes file system operations by intercepting write requests to protected system directories. However, the virtualization implementation fails to properly validate write targets in certain edge cases, allowing writes to bypass the virtualization redirection and reach the actual host file system in protected locations. An attacker can exploit this to overwrite executable files, system libraries, or startup configurations with arbitrary content, leading to code execution with host privileges on subsequent system operations or reboot.

Assessment

CVSS: 8.8 (v3.1)
Severity: High
EPSS: 0.17% chance of exploitation in the next 30 days
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 6 November 2026
Last updated: 10 November 2026
Affected: Gen Digital · AVG Antivirus Free, AVG Internet Security, AVG Ultimate · Avast Antivirus, Avast One, Avast Premium Security, Avast Ultimate · Norton Antivirus Plus, Norton 360 Standard, Norton 360 Deluxe, Norton 360 Advanced
Assigner: GEN

CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

At the source

EUVD (ENISA)

References

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