CVE-2026-12003
CPython pour WindowsVulnerabilityCVSS 5.3
Une vulnérabilité a été découverte dans CPython pour Windows. Elle permet à un attaquant de provoquer une atteinte à la confidentialité des données et un contournement de la politique de sécurité.
No public exploitation has been reported so far. No distribution fix is listed yet; apply vendor mitigations and monitor.
Recommended action: Track your distribution's security tracker and apply the fix as soon as it ships.
Severity metrics
CVSS 4.0 : 5.3 MEDIUM
Attack vectorLocal
Attack complexityLow
Attack requirementsPresent
Privileges requiredLow
User interactionActive
Confidentiality impactHigh
Integrity impactHigh
Availability impactNone
Subsequent confidentialityNone
Subsequent integrityNone
Subsequent availabilityNone
Vector: AV:L/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Key points
- CVE : CVE-2026-12003
Affected & fixed versions by distribution
Versions are the native distribution strings (backport-aware): RHEL/Debian/SUSE backport fixes, so compare with the distro version comparator (dpkg / rpm / vercmp), not the upstream version.
| Distribution | Package | Affected | Fixed version | Status |
|---|---|---|---|---|
| Debian:12 | python3.11 | - | - | affected (no fix yet) |