powershell vulnerabilities and fixes
Recent CVEs affecting powershell, with upgrade or downgrade steps. 2 tracked.
powershell has 2 tracked vulnerabilities, 0 critical. A fixed release or vendor patch exists for 2. Most recent: 2026-10-13. Highest priority: CVE-2026-96251 (score 47/100).
- CVE-2026-96303 MEDIUM 6.5 UPGRADE Improperly implemented security check for standard in Microsoft PowerShell allows an unauthorized attacker to
- CVE-2026-96251 HIGH 8.8 UPGRADE Reliance on untrusted inputs in a security decision in Microsoft PowerShell allows an unauthorized attacker to
FAQ
How do I fix powershell vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is powershell being exploited right now?
None of the tracked powershell CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which powershell CVE should I patch first?
CVE-2026-96251 currently ranks highest (47/100): Reliance on untrusted inputs in a security decision in Microsoft PowerShell allows an unauthorized attacker to.