CVE-2026-42987
Windows Deployment Services (WDS) Remote Code Execution
HIGH
8.1
CVSS Score
Published: June 9, 2026 at 05:06 PM UTC
Updated: July 23, 2026 at 07:32 PM UTC
5 products affected across 1 vendorWindows Server 2016Windows Server 2019Windows Server 2012
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Severity
HIGH8.1
Exploit prediction
EPSS 0.6%
SSVC
No known exploit
Description
Use after free in Windows Deployment Services allows an unauthorized attacker to execute code over a network.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Affected range stops below 6.2.9200.26132, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.3.9600.23228, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.0.14393.9234, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.0.17763.8880, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.0.20348.5256, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.0.26100.32995, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
Vendor AdvisoryPatch
Source: [email protected]
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42987SSVC — Action Prioritization
SSVCNo known exploitNot automatableTotal impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
8.1HIGHmicrosoft
Vector?
Quick Info
StatusANALYZED
CWE
CWE-416
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