CVE-2025-8088

A path traversal vulnerability affecting the Windows version of WinRAR allows the attackers to execute arbitrary code by crafting malicious archive files. This vulnerability was exploited in the wild and was discovered by Anton Cherepanov, Peter Košinár, and Peter Strýček from ESET.

CVSS v3 vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weaknesses (CWE)

CWE-35

Threats tracking this CVE

• RomCom & Paper Werewolf Exploiting WinRAR CVE-2025-8088 Zero-Day via ADS Path Traversal — CRITICAL

References

• https://www.win-rar.com/singlenewsview.html?&L=0&tx_ttnews%5Btt_news%5D=283&cHash=a64b4a8f662d3639dec8d65f47bc93c5
• https://arstechnica.com/security/2025/08/high-severity-winrar-0-day-exploited-for-weeks-by-2-groups/
• https://support.dtsearch.com/faq/dts0245.htm
• https://www.vicarius.io/vsociety/posts/cve-2025-8088-detect-winrar-zero-day
• https://www.vicarius.io/vsociety/posts/cve-2025-8088-mitigate-winrar-zero-day-using-srp-and-ifeo
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-8088
• https://www.welivesecurity.com/en/eset-research/update-winrar-tools-now-romcom-and-others-exploiting-zero-day-vulnerability/#the-discovery-of-cve-2025-8088

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