CVE-2025-1240

High

Description

WinZip 7Z File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of WinZip. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of 7Z files. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-24986.

SeverityHigh
CVSS8.8
Exploit probability—
ProductWinzip
PublishedFeb 11, 2025
First seenFeb 11, 2025

How to fix

Update
  • winzip winzip18.0.16371, 27.0.16370, 76.8 or later

Affected products

ProductAffected versionsFixed in
winzip winzip18.0 ≤ v < 18.0.16371, 27.0 ≤ v < 27.0.16370, 76.0 ≤ v < 76.818.0.16371, 27.0.16370, 76.8

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.

CVE-2025-1240 · Winzip · Dark Radar