Dashboard / CVE-2023-38831

CVE-2023-38831

CISA KEV RANSOMWARE
ACT NOW Priority: 0.00 BB Relevance: 10/100
Published: N/A Modified: N/A First seen: 2026-10-29 Status: pending_score

Description

RARLAB WinRAR contains an unspecified vulnerability that allows an attacker to execute code when a user attempts to view a benign file within a ZIP archive.

CISA Known Exploited Vulnerability

Vendor / Product RARLAB — WinRAR
Date Added 2023-08-24
Remediation Due 2023-09-14
Ransomware Use CONFIRMED
http://www.win-rar.com/singlenewsview.html?&L=0&tx_ttnews%5Btt_news%5D=232&cHash=c5bf79590657e32554c6683296a8e8aa; https://nvd.nist.gov/vuln/detail/CVE-2023-38831

Weakness Classification (2)

Affected Software (1)

VendorProductVersion
rarlab winrar < 6.23

References & Advisories (6)

https://www.group-ib.com/blog/cve-2023-38831-winrar-zero-day/
Exploit Press/Media Coverage Third Party Advisory

Bug Bounty Relevance

10 / 100
✓ Known exploited (KEV)
✓ High exploitation probability

CVSS Score

Unscored

EPSS — Exploitation Probability

99.81%
Raw Score 0.998150
Percentile 100.0%
Date 2026-10-28

Intelligence Sources

kev ref →

External Links