CVE-2026-122985: Microsoft PowerShell Information Disclosure Vulnerability
Published Nov 10, 2026
·Updated
Improper restriction of xml external entity reference in Microsoft PowerShell allows an unauthorized attacker to disclose information over a network.
Other sources
Microsoft PowerShell Information Disclosure Vulnerability
— Microsoft
Affected Software
2 affected componentsFixes available
Microsoft PowerShell>=7.6<7.6.10
7.6.10
Microsoft PowerShell>=7.7<7.7.0
7.7.0
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 7.7.0 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 7.6.10
Event History
Nov 10, 2026
CVE Published
via Microsoft·04:00 PM
Data Sourced
via Microsoft·04:00 PM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·04:00 PM
Affected Software
CVE Published
via MITRE·06:20 PM
Data Sourced
via MITRE·06:20 PM
DescriptionSeverity
Data Sourced
via NVD·07:20 PM
DescriptionSeverityWeakness
Frequently Asked Questions
1
What must an attacker do to exploit this issue?
Exploitation requires network access and user interaction. The attack complexity is rated high, and no attacker privileges are required.
2
What is the likely impact if exploitation succeeds?
Successful exploitation can disclose information. The available metrics indicate high confidentiality impact, with no integrity or availability impact.