Review reviewHigh

CVE-2026-42985

Microsoft Remote Desktop client for Windows Desktop, Windows 10 Version 1607, Windows 10 Version 1809

Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.

PRIORITY ASSESSMENT

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV

Exploit probability1.26%

Technical severityCVSS 8.8

Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.

Product: Microsoft Remote Desktop client for Windows Desktop, Windows 10 Version 1607, Windows 10 Version 1809
Affected versions: >= 1.2.0.0 < 1.2.7214.0, >= 10.0.14393.0 < 10.0.14393.9234, >= 10.0.17763.0 < 10.0.17763.8880, >= 10.0.19044.0 < 10.0.19044.7417, >= 10.0.19045.0 < 10.0.19045.7417, >= 10.0.22631.0 < 10.0.22631.7219, >= 10.0.26100.0 < 10.0.26100.8655, >= 10.0.26200.0 < 10.0.26200.8655, >= 10.0.28000.0 < 10.0.28000.2269, >= 1.00 < 2.0.1193.0, >= 6.2.9200.0 < 6.2.9200.26132, >= 6.3.9600.0 < 6.3.9600.23228, >= 10.0.20348.0 < 10.0.20348.5256, >= 10.0.26100.0 < 10.0.26100.32995, < 1.2.7214, < 2.0.1193.0, < 10.0.14393.9234, < 10.0.17763.8880, < 10.0.19044.7417, < 10.0.19045.7417
Fixed versions: 1.2.7214, 2.0.1193.0, 10.0.14393.9234, 10.0.17763.8880, 10.0.19044.7417, 10.0.19045.7417, 10.0.22631.7219, 10.0.26100.8655, 10.0.26200.8655, 10.0.28000.2269, 10.0.20348.5256, 10.0.26100.32995

Confirm exposure before applying a vendor-supported change.

1
Identify
Confirm that Microsoft Remote Desktop client for Windows Desktop, Windows 10 Version 1607, Windows 10 Version 1809 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.