Critical Alert 3 Active Exploits Detected Today

CVE-2025-39964 Linux Kernel Race Condition Vulnerability →
CVE-2026-53266 Linux Kernel Out-of-Bounds Write Vulnerability →
CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Vulnerability →
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CVE-2026-58443NVD

Description

Public-only repository tokens can update private PR head branches
Severity Level
CRITICAL (9.1)
Published Date
13/08/2026
Last Modified
26/08/2026
Exploitation Status
????
EPSS Score
0.58% (percentile 46.3%)

CVSS Base Metrics

CVSS v3 (3.1)
CRITICAL 9.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Weaknesses (CWE)