# Avast Antivirus vulnerabilities

Source: https://junglewise.ai/threats/technologies/avast-antivirus-1  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 12 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/avast-antivirus-1.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 5 vulnerabilities in Avast Antivirus: 3 in the last 7 days and 4 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2026-80302, was published on 6 November 2026. 4 vulnerabilities in the last four weeks, up from none in the four before.

## Counts

- Last 7 days: 3
- Last 30 days: 4
- Last 90 days: 4
- All time: 5 (1 critical, 0 exploited in the wild)

## About Avast Antivirus

Antivirus software that detects, prevents, and removes malware from computer systems.

## Latest Avast Antivirus vulnerabilities

- [CVE-2026-80302: Avast sandbox file virtualization escape on Windows](https://junglewise.ai/threats/cve-2026-80302-insufficient-isolation-in-the-avast-sandbox-file-virtualization) (info, published 6 Nov 2026)
- [CVE-2026-80301: Avast sandbox sandbox escape via COM interface in Task Scheduler](https://junglewise.ai/threats/cve-2026-80301-improper-isolation-in-the-avast-sandbox-on-windows-allows-a-local) (info, published 6 Nov 2026)
- [CVE-2026-12067: Avast Antivirus denial of service in AvastSvc message dispatcher](https://junglewise.ai/threats/cve-2026-12067-missing-exception-handlers-in-avastsvc-native-message-dispatcher) (info, published 6 Nov 2026)
- [CVE-2026-6064: Norton Antivirus symlink following privilege escalation in Data Shredder](https://junglewise.ai/threats/cve-2026-6064-link-following-vulnerability-in-data-shredder-components-in-norton) (high, CVSS 7.3, published 28 Oct 2026)
- [CVE-2025-13032: Double fetch in sandbox kernel driver in Avast/AVG Antivirus <25.3 on windows allows local attacker to escalate…](https://junglewise.ai/threats/cve-2025-13032-double-fetch-in-sandbox-kernel-driver-in-avast-avg-antivirus-25-3) (critical, CVSS 9.9, published 11 Nov 2025)

## Most severe Avast Antivirus vulnerabilities

- [CVE-2025-13032: Double fetch in sandbox kernel driver in Avast/AVG Antivirus <25.3 on windows allows local attacker to escalate…](https://junglewise.ai/threats/cve-2025-13032-double-fetch-in-sandbox-kernel-driver-in-avast-avg-antivirus-25-3) (critical, CVSS 9.9, published 11 Nov 2025)
- [CVE-2026-6064: Norton Antivirus symlink following privilege escalation in Data Shredder](https://junglewise.ai/threats/cve-2026-6064-link-following-vulnerability-in-data-shredder-components-in-norton) (high, CVSS 7.3, published 28 Oct 2026)
- [CVE-2026-80302: Avast sandbox file virtualization escape on Windows](https://junglewise.ai/threats/cve-2026-80302-insufficient-isolation-in-the-avast-sandbox-file-virtualization) (info, published 6 Nov 2026)
- [CVE-2026-80301: Avast sandbox sandbox escape via COM interface in Task Scheduler](https://junglewise.ai/threats/cve-2026-80301-improper-isolation-in-the-avast-sandbox-on-windows-allows-a-local) (info, published 6 Nov 2026)
- [CVE-2026-12067: Avast Antivirus denial of service in AvastSvc message dispatcher](https://junglewise.ai/threats/cve-2026-12067-missing-exception-handlers-in-avastsvc-native-message-dispatcher) (info, published 6 Nov 2026)

## Vulnerabilities per week

4 vulnerabilities in the last four weeks, up from none in the four before.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 1 | 0 | 0 |
| 2 Nov 2026 | 3 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other Avast technologies

- [Avast Business Antivirus](https://junglewise.ai/threats/technologies/business-antivirus): 4 vulnerabilities
- [Avast One](https://junglewise.ai/threats/technologies/one): 4 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Avast Antivirus vulnerabilities", https://junglewise.ai/threats/technologies/avast-antivirus-1, 12 November 2026.