CVE-2026-58853

HIGH
MEDIUM Priority: 0.03 BB Relevance: 75/100
Published: 2026-11-02 Modified: 2026-11-03 First seen: 2026-11-02 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction

CVSS Vector Breakdown

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

Description

In multiple functions of ipphelper.c, there is a possible stack bugger overflow due to a missing bounds check. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.

Weakness Classification (1)

Bug Bounty Relevance

75 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

7.5 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS — Exploitation Probability

0.36%
Raw Score 0.003550
Percentile 29.4%
Date 2026-11-04

EPSS Trend

2026-11-04
0.00355
2026-11-03
0.00355

Intelligence Sources

mitre ref →
nvd ref →