9.9

CVE-2025-13032: avast antivirus

CVSS: 9.9v3.1CriticalAnalyzed
Published 11-11-2025Last modified 14-11-2025
Open JSON

Vulnerability summary

CVE-2025-13032 is a critical (CVSS 9.9) vulnerability in avast antivirus. EPSS estimates a 0.25% chance of exploitation in the next 30 days, higher than 15.1% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.9/10
010
Critical · v3.1 (CVE.org)
EPSS score
0.25%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 11-11-2025
    PublishedVulnerability first disclosed.
  2. 14-11-2025
    Last modifiedVulnerability information updated.

Description

Double fetch in sandbox kernel driver in Avast/AVG Antivirus <25.3  on windows allows local attacker to escalate privelages via pool overflow.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.25%

Chance of exploitation in the next 30 days

Percentile

15%

Versus all other CVEs

30-day change

0.00 pp

From 0.25% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.25%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Avast2 products
Avg1 product
Avsat1 product

3 vendors · 4 products

References

1 links