CVE-2025-8088

RARLAB WinRAR: Path Traversal

As of , CVE-2025-8088 in RARLAB WinRAR is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch this week.

Exploited
Yes: CISA listed it on 12 August 2025
US federal deadline
2 September 202521 days after CISA listed it. US federal civilian agencies must fix it by then.
Used in ransomware campaigns
KnownCISA changed it from Unknown to Known on 6 August 2026.
EPSS score
0.94Higher than 99% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
Public exploit
None foundNeither Metasploit nor Exploit-DB lists one.
Fix
Vendor advice: www.win-rar.comLinks below, from CISA's entry.

What CISA says to do

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

CISA's required action

What the flaw is

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.

CISA's description

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.

The CVE record's description, from ESET

CVE published
8 August 2025
Assigned by
ESET
CVSS
8.4 High (CVSS 4.0, from the CNA)
CWE-35
Path Traversal: '.../...//'
CISA SSVC, exploitation
active
CISA SSVC, automatable
no
CISA SSVC, technical impact
total

Timeline

  1. The CVE record was published.
  2. CISA added it to its list of exploited vulnerabilities.
  3. The US federal deadline to fix it.
  4. CISA changed its entry. Ransomware use: Unknown to Known.

WinRAR: other exploited entries

VulnerabilityProductOur groupListedDeadlineEPSS
CVE-2018-20250Absolute Path TraversalRARLAB WinRARPatch this weekRansomware use; Metasploit module; EPSS 0.96; verified Exploit-DB entry0.96
CVE-2023-38831Code ExecutionRARLAB WinRARPatch this weekRansomware use; Metasploit module; EPSS 0.990.99
CVE-2025-6218Path TraversalRARLAB WinRARPatch this weekEPSS 0.900.90

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