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Microsoft PowerShell Core

CVE-2026-58612 — PowerShell Information Disclosure Vulnerability

Important CVSS 7.4 EPSS 0.00803 2026-08 archive

Executive Summary

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

Overview

7.4
CVSS HIGH
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
Category Information Disclosure
Released Aug 11 2026
Last Updated Aug 11 2026
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.00803 — 0.53549 percentile
NVD CVSS 7.4 HIGH — matches MSRC

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C
ATTACK VECTOR
Network
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
None
USER INTERACTION
Required
SCOPE
Changed
CONFIDENTIALITY
High
INTEGRITY
None
AVAILABILITY
None
EXPLOIT CODE MATURITY
Unproven
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 6.4

EPSS Score

0.00803
probability of exploitation in the next 30 days
0.53549 percentile - updated 2026-08-14
View on FIRST.org

Affected Products

3 affected products
Product KB Article Severity Impact Restart Required
PowerShell 7.4 (Security Update) Important Information Disclosure Maybe
PowerShell 7.5 (Security Update) Important Information Disclosure Maybe
PowerShell 7.6 (Security Update) Important Information Disclosure Maybe

Patches

1 patch
Article Type Restart
Security Update Maybe

Known Exploits

On This Page