RARLAB WinRAR Path Traversal Vulnerability

Critical Threat Advisory: This vulnerability is documented in active Ransomware campaigns. Immediate remediation required.

Technical Severity

CVSS v3.1 Metrics

HIGH

8.8 / 10

Minimal Risk Critical

Vector Specification

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

Exploitation Likelihood

EPSS Prediction

94.55 %

Predictive Probability

Percentile Rank

99.8 th

Documented as more likely to be exploited than 99.8% of known CVEs.

Detection Date

Aug 12, 2025

Remediation Due

Sep 02, 2025

CISA Catalog Active

Threat Analysis

RARLAB WinRAR contains a path traversal vulnerability affecting the Windows version of WinRAR. This vulnerability could allow an attacker to execute arbitrary code by crafting malicious archive files.

Remediation Directive

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

External Intelligence

https://www.win-rar.com/singlenewsview.html?&L=0&tx_ttnews%5Btt_news%5D=283&cHash=a64b4a8f662d3639dec8d65f47bc93c5

NVD

National Vulnerability Database

https://nvd.nist.gov/vuln/detail/CVE-2025-8088