CVE-2026-58612 PowerShell Information Disclosure Vulnerability
An attacker can exploit a Server-Side Request Forgery flaw in PowerShell Core to disclose sensitive information over the network.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2026-58612?
CVE-2026-58612 is a high-severity server-side request forgery vulnerability in Microsoft PowerShell 7.4, published on 11 Aug 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Server-side request forgery (ssrf) in Microsoft PowerShell Core allows an unauthorized attacker to disclose information over a network.
Weakness: CWE-918
Which versions are affected by CVE-2026-58612?
1 open source package ship an affected version, including powershell. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
powershell Bitnami | From 7.6.0 | 7.6.5, 7.4.19.0, 7.5.10.0 |
Products include Microsoft Powershell.
How do I fix CVE-2026-58612?
Upgrade powershell to a fixed version for your release line: 7.6.5, 7.4.19.0 or 7.5.10.0.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-58612 being exploited?
There is no known exploitation of CVE-2026-58612 in the wild and no public exploit code.
Other vulnerabilities in Microsoft PowerShell 7.4
- CVE-2018-8327 Code injection in PowerShell Editor
- CVE-2026-96251 Microsoft PowerShell Remote Code Execution Vulnerability
- CVE-2026-70337 Microsoft PowerShell Remote Code Execution Vulnerability
- CVE-2022-41076 PowerShell Remote Code Execution Vulnerability
- CVE-2026-50523 Microsoft PowerShell Remote Code Execution Vulnerability
Sources
Also known as BIT-powershell-2026-58612, GHSA-79hg-q5v7-878p, MINI-j6hr-87w7-rmmh.