Vulnerability · Published Aug 11, 2026 · Assigned by microsoft
CVE-2026-58612PowerShell Information Disclosure Vulnerability
High 7.4
In plain English
A high-severity server-side request forgery in PowerShell 7.4 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 59% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.4High
Exploit odds (30 days)0.9%top 40.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Server-side request forgery (ssrf) in Microsoft PowerShell Core allows an unauthorized attacker to disclose information over a network.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.24 | powershell | 7.6.9-r0 | ALPINE-CVE-2026-58612 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | PowerShell 7.4 | 7.4.0 – before 7.4.19.0 |
| Microsoft | PowerShell 7.5 | 7.5.0 – before 7.5.10.0 |
| Microsoft | PowerShell 7.6 | 7.6.0 – before 7.6.5 |
Weakness: CWE-918 · 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
References
- PowerShell Information Disclosure Vulnerability vendor-advisory, patch