HIGHCVSS 7.8Actively exploited · CISA KEV since 2023-08-24Vulnerability

CVE-2023-38831

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.

Properties

Vulnerability name
RARLAB WinRAR Code Execution Vulnerability
First seen
2026-08-05T03:55:55+00:00
Cvss score
7.8
Epss score
0.99815
Last seen
2026-10-19T12:00:27+00:00
Year
2023
Due date
2023-09-14
Euvd assigner
mitre
Retrieved at
2026-10-21T01:24:47+00:00
Exploited euvd since
2023-08-24T00:00:00+00:00
Src batch id
epss_history-20261020T103617Z-728ddd
Source url
https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
Date added
2023-08-24
Euvd base score version
3.1
Score
7.8
Fetched at
2026-10-20T10:36:20+00:00
Updated at
2026-04-09T23:39:55.646783+00:00
Cvss vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
In Signal since
initial import (Sep 2026)
Euvd base score
7.8

Related Entities (8)

MENTIONED_IN (3)

→[Campaign]DarkMe RAT: A VB6 APT Trojan Turned Conventional Infostealer
→[Campaign]Diverse Threat Actors Exploiting Critical WinRAR Vulnerability CVE-2025-8088
→[Campaign]Unnamed campaign (ID 697b…)

HAS_WEAKNESS (2)

→[Weakness]Insufficient Type Distinction
→[Weakness]Insufficient Verification of Data Authenticity

AFFECTS_PRODUCT (1)

→[Product]cpe:2.3:a:rarlab:winrar:*:*:*:*:*:*:*:*

DESCRIBES (1)

←[KEVEntry]RARLAB WinRAR Code Execution Vulnerability

INVOLVES (1)

←[Signal]kev_added · 2023-08-24

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CVE-2023-38831 (CVSS 7.8) — Ninja Signal Threat Intelligence | Ninja Signal