CVE-2026-12003: CPython >3.11 Insecure Input Validation resulting in privilege escalation

Overview

Severity
N/A
Exploit Status
Not Exploited
Patch Tuesday
2026-Jun
Released
2026-06-21
Last Updated
2026-08-13
EPSS Score
0.15% (percentile: 4.3%)

Affected Products (3)

Other

  • 21694-17084
  • 21379-17084
  • 21492-17084

Revision History

  • 2026-06-21: Information published.
  • 2026-06-22: Information published.
  • 2026-06-23: Information published.
  • 2026-06-28: Information published.
  • 2026-08-13: Information published.