๐Ÿ” CVE Alert

CVE-2025-10101

HIGH 8.1

Crafted Mach-O file may allow Remote Code Execution in Avast Antivirus 15.7 on MacOS

CVSS Score
8.1
EPSS Score
0.0%
EPSS Percentile
0th

Heap-based Buffer Overflow, Out-of-bounds Write vulnerability in Avast Antivirus on MacOS of a crafted Mach-O file may allow Local Execution of Code or Denial of Service of antivirus protection. This issue affects Antivirus: from 15.7 before 3.9.2025.

CWE CWE-122 CWE-787
Vendor avast
Product antivirus
Published Dec 1, 2025
Last Updated Feb 26, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack Vector
Local
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

Affected Versions

Avast / Antivirus
15.7 < 3.9.2025

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
gendigital.com: https://www.gendigital.com/us/en/contact-us/security-advisories/

Credits

๐Ÿ” Mike Zhang