Improper restriction of xml external entity reference in Microsoft PowerShell allows an unauthorized attacker to disclose information over a network.

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Changed

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Microsoft PowerShell 7.6 affected
Version Status Constraints
7.6.0 affected < 7.6.10
Microsoft PowerShell 7.7 affected
Version Status Constraints
1.0.0 affected < 7.7.0

No data.

No data.

No data.

Project Subscriptions

Vendors Products
Microsoft Subscribe
Powershell Subscribe
Powershell 7.7 Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-121675 cve-icon
History

Tue, 10 Nov 2026 18:30:00 +0000

Type Values Removed Values Added
Description Improper restriction of xml external entity reference in Microsoft PowerShell allows an unauthorized attacker to disclose information over a network.
Title PowerShell Information Disclosure Vulnerability
First Time appeared Microsoft
Microsoft powershell
Microsoft powershell 7.7
Weaknesses CWE-522
CPEs cpe:2.3:a:microsoft:powershell:*:-:*:*:*:*:*:*
cpe:2.3:a:microsoft:powershell_7.7:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft powershell
Microsoft powershell 7.7
References
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-11-10T18:23:59.769Z

Reserved: 2026-11-03T18:52:08.481Z

Link: CVE-2026-121675

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses