Path traversal vulnerability in WinRAR

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2025-8088
StatePUBLISHED
AssignerESET
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-08-08 12:15:29 UTC
Updated2026-08-11 04:17:18 UTC
DescriptionA 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.

Risk And Classification

Primary CVSS: v4.0 8.4 HIGH from [email protected]

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS: 0.945510000 probability, percentile 0.998470000 (date 2026-08-27)

CISA KEV: Listed on 2025-08-12; due 2025-09-02; ransomware use Known

Problem Types: CWE-35 | CWE-35 CWE-35 Path traversal

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary8.4HIGHCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/C...
4.0CNACVSS8.4HIGHCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
3.1[email protected]Primary8.8HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v4.0 Breakdown

Attack Vector
Local
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
Active
Confidentiality
High
Integrity
High
Availability
High
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

CISA Known Exploited Vulnerability

VendorRARLAB
ProductWinRAR
NameRARLAB WinRAR Path Traversal Vulnerability
Required ActionApply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Noteshttps://www.win-rar.com/singlenewsview.html?&L=0&tx_ttnews%5Btt_news%5D=283&cHash=a64b4a8f662d3639dec8d65f47bc93c5 ; https://nvd.nist.gov/vuln/detail/CVE-2025-8088

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Dtsearch Dtsearch All All All All
Operating System Microsoft Windows - All All All
Application Rarlab Winrar All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Win.rar GmbH WinRAR affected 7.12 custom Windows

References

ReferenceSourceLinkTags
arstechnica.com/security/2025/08/high-severity-winrar-0-day-exploited-for-wee... af854a3a-2127-422b-91ae-364da2661108 arstechnica.com Press/Media Coverage
www.win-rar.com/singlenewsview.html [email protected] www.win-rar.com Release Notes
www.welivesecurity.com/en/eset-research/update-winrar-tools-now-romcom-and-others-ex... 134c704f-9b21-4f2e-91b3-4a467353bcc0 www.welivesecurity.com Press/Media Coverage
www.vicarius.io/vsociety/posts/cve-2025-8088-mitigate-winrar-zero-day-using-s... af854a3a-2127-422b-91ae-364da2661108 www.vicarius.io Mitigation, Third Party Advisory
www.vicarius.io/vsociety/posts/cve-2025-8088-detect-winrar-zero-day af854a3a-2127-422b-91ae-364da2661108 www.vicarius.io Third Party Advisory
www.cisa.gov/known-exploited-vulnerabilities-catalog 134c704f-9b21-4f2e-91b3-4a467353bcc0 www.cisa.gov US Government Resource
support.dtsearch.com/faq/dts0245.htm af854a3a-2127-422b-91ae-364da2661108 support.dtsearch.com Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
CISA Known Exploited Vulnerabilities catalog CISA www.cisa.gov kev

Additional Advisory Data

SourceTimeEvent
ADP2025-08-12T00:00:00.000ZCVE-2025-8088 added to CISA KEV

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