CVE-2026-5165

HIGH
MEDIUM Priority: 0.01 BB Relevance: 41/100
Published: 2026-03-30 Modified: 2026-11-05 First seen: 2026-11-05 Status: active

Attack Surface

Low Complexity No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Local
AC: Low
PR: Low
UI: None
S: Unchanged
C: High
I: High
A: High

Description

A flaw was found in virtio-win, specifically within the VirtIO Block (BLK) device. When the device undergoes a reset, it fails to properly manage memory, resulting in a use-after-free vulnerability. This issue could allow a local attacker to corrupt system memory, potentially leading to system instability or unexpected behavior.

Weakness Classification (1)

Affected Software (3)

Bug Bounty Relevance

41 / 100
✓ Low complexity
✓ No user interaction

CVSS Score

7.8 / 10.0 v3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS — Exploitation Probability

0.11%
Raw Score 0.001110
Percentile 1.3%
Date 2026-11-14

EPSS Trend

2026-11-14
0.00111
2026-11-13
0.00111
2026-11-12
0.00111
2026-11-10
0.00111
2026-11-09
0.00111
2026-11-08
0.00111
2026-11-07
0.00111
2026-11-06
0.00111
2026-11-05
0.00111

Intelligence Sources

mitre ref →
nvd ref →