Exploitation of 2025 WinRAR Vulnerability Due to Lack of Updates

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Exploitation of 2025 WinRAR Vulnerability Due to Lack of Updates

First seen 2 Feb 2026, 12:49 UTC • •24.5

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ThreatCluster •March 12, 2026 at 13:27 UTC

A vulnerability identified as CVE-2025-8088 in WinRAR allows attackers to hide malware in archives that can install malicious payloads to the startup app folder. This exploit was patched in April 2025, but many users have not updated their applications, leaving them vulnerable to attacks. Criminals are actively exploiting this flaw as users continue to neglect updates.

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3 entities, 2 inferred relationships (STIX 2.1).

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Technique (2)

Malware
Zero-day Exploit

Tool (1)

WinRar

Relationships

WinRar related to Malware
WinRar related to Zero-day Exploit

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