CVE-2026-86140

⚠️ high

🔍 Scan for this CVE

In libxml2 before 2.15.4, xmlSnprintfElements in valid.c has a strcat stack-based buffer overflow.

CVSS Score

8.0

High

EPSS Score

0.1

Exploit Probability

Published Date

2026-09-05

First Seen: 2026-09-06

This CVE is High Risk - more severe than 76.8% of all 353,175 vulnerabilities in our database.

#81,967

Top 25% most severe

Severity Percentile

Last Modified 2026-09-05

Source NVD 🔗

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

CWE IDs (Weakness Types)

CWE-121

📦 Affected Products 0