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CVE-2026-58612ImportantRevised 3 Sep

PowerShell Information Disclosure Vulnerability

MSRC advisory NVD CVE.org

Assessment

Server-side request forgery (ssrf) in Microsoft PowerShell Core allows an unauthorized attacker to disclose information over a network.

Severity
Important
CVSS base score
7.4CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C
Impact
Information Disclosure
EPSS, next 30 days
0.9%Higher than 57.3% of scored CVEs · FIRST model run 26 Sep 2026 · about EPSS
Exploitability
Exploitation Less Likely
Publicly disclosed
No
Customer action
Required: apply the update
Component
Microsoft PowerShell Core
Weakness
CWE-918: Server-Side Request Forgery (SSRF)
Issued by
Microsoft
Published
11 Aug 2026 · August 2026
Last revised
3 Sep 2026Updated an acknowledgement. This is an informational change only.

Updates that fix it

0 KBs

No KB listed

MSRC lists no downloadable update, which usually means a service-side fix or a release-notes update. Check the MSRC advisory.

Affected products

Developer Tools
3 affected products
  • PowerShell 7.4
  • PowerShell 7.5
  • PowerShell 7.6
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