CVE-2026-69602: Windows PrintWorkflowUserSvc Elevation of Privilege Vulnerability
Use after free in Windows PrintWorkflowUserSvc allows an authorized attacker to elevate privileges over a network.
Other sources
Windows PrintWorkflowUserSvc Elevation of Privilege Vulnerability
— Microsoft
Affected Software
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 10.0.28000.2954Patch KB5124012 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.9445Patch KB5124008 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.33438Patch KB5122871 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.20348.5622Patch KB5122882 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.22631.7582Patch KB5122880 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.19045.7725Patch KB5122878 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26200.9445Patch KB5124008 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.19044.7725Patch KB5122878 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.17763.9245Patch KB5122876
Event History
Frequently Asked Questions
Who can exploit this vulnerability?
An attacker must already be authorized and have low-level privileges. Exploitation can be performed over a network, but it also requires user interaction and high attack complexity.
What is the potential impact if exploitation succeeds?
Successful exploitation can elevate the attacker’s privileges and may result in high impacts to confidentiality, integrity, and availability.
Which systems should be assessed?
Assess systems running Microsoft Windows 10, Windows 11, Windows Server 2019, Windows Server 2022, Windows Server 2025, or Microsoft Windows PrintWorkflowUserSvc.