Review reviewHigh

CVE-2026-47301

Microsoft Microsoft Configuration Manager, Microsoft Configuration Manager 2509, Microsoft Configuration Manager 2603

Improper access control in Microsoft Configuration Manager allows an authorized attacker to elevate privileges over a network.

PRIORITY ASSESSMENT

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV

Exploit probability0.54%

Technical severityCVSS 8.8

Improper access control in Microsoft Configuration Manager allows an authorized attacker to elevate privileges over a network.

Product: Microsoft Microsoft Configuration Manager, Microsoft Configuration Manager 2509, Microsoft Configuration Manager 2603
Affected versions: >= 1.0.0 < 5.0.9135.1031, >= 1.0.0 < 5.0.9141.1030, >= 1.0.0 < 5.0.9146.1021
Fixed versions: No verified fixed-version field is available yet

Confirm exposure before applying a vendor-supported change.

1
Identify
Confirm that Microsoft Microsoft Configuration Manager, Microsoft Configuration Manager 2509, Microsoft Configuration Manager 2603 and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.