KB5039211: Windows Server Security Update (June 2024)
Microsoft Windows Kernel-Mode Driver contains an untrusted pointer dereference vulnerability that allows a local attacker to escalate privileges.
A local attacker, with a low-privilege account, can achieve full data confidentiality loss, arbitrary modification of data, complete denial of service or system unavailability. Federal agencies are required to remediate by 2025-01-06 under CISA BOD 22-01.
This is a Software Vulnerability (CWE-822) (CWE-822) vulnerability in Microsoft Windows. Windows Kernel-Mode Driver Elevation of Privilege Vulnerability Exploitation requires local access, low attack complexity, a low-privilege authenticated account, and no user interaction required.
Probably yes if any of these apply:
CISA added this CVE to the Known Exploited Vulnerabilities catalog on 2024-12-16 based on evidence of active exploitation in the wild. Federal agencies required to remediate by 2025-01-06.
Manual download
For air-gapped servers or out-of-band deployment. Microsoft Update Catalog returns every OS-version variant of this update.
↗ Microsoft Update CatalogKB5039211Manual remediation steps
Apply the Microsoft Security Update
Microsoft has released an official security update that fixes this vulnerability.
Required KB Updates
Supersedes: KB5037763, KB5037765, KB5037768, KB5037770, KB5037771, KB5037778, KB5037780, KB5037781, KB5037782, KB5037788, KB5037800, KB5037823, KB5037848
Affected Products
Fixed Build Numbers
Installation Methods
Windows Update (recommended)
Microsoft Update Catalog (manual download)
.msu installer with administrator privilegesWSUS / SCCM / Intune
Approve KB5039211 for the affected products in your update management console.
Microsoft Download Center Links
Verification
Confirm the update is installed:
Get-HotFix | Where-Object { $_.HotFixID -in @('KB5039211','KB5039212','KB5039213','KB5039214','KB5039217','KB5039225','KB5039227','KB5039236','KB5039245','KB5039260','KB5039266','KB5039274','KB5039289','KB5039294','KB5039330') }
References
Discovery Credit
Angelboy (@scwuaptx) from DEVCORE Research Team working with Trend Micro Zero Day Initiative, Angelboy (@scwuaptx) with DEVCORE
No tested PowerShell script for this entry yet. We’re prioritising automation based on user demand.