CVE-2013-1257: Race condition in win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server...

Security readout for executives and security teams

CVE-2013-1257 is a Windows kernel-mode driver flaw that can let a local user raise privileges and read arbitrary kernel memory. It matters most on legacy Windows systems listed in MS13-016. It is not described as remotely exploitable in the supplied sources. Exposure is likely limited to systems running the specific Windows versions named in the CVE description and MS13-016. Organizations should prioritize legacy workstation and server inventories where untrusted users or software can execute locally. Treat this as a high-priority legacy Windows risk if affected systems remain in service. It is not a standalone remote compromise, but it can turn limited local access into deeper system control and kernel memory exposure. Mitigation focus: Review Microsoft MS13-016 for applicable security update guidance.; Apply the relevant Microsoft security update where the affected Windows version is present.; Remove or isolate systems that cannot be updated according to vendor guidance..

Prepared

Jun 24, 2026, 11:46 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.