CVE-2010-3940: Double free vulnerability in win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Win...

Security readout for executives and security teams

CVE-2010-3940 is a Windows kernel-mode driver flaw that can let a local user gain higher privileges. The affected systems listed are older Windows client and server releases. The main business risk is compromise escalation after an attacker already has local code execution or an account on the machine. Exposure is most likely on legacy Windows endpoints or servers matching the versions named in the CVE. Internet exposure is not indicated; the described attack path requires local user ability to run a crafted application. Prioritize remediation for any remaining affected Windows systems, especially servers or shared workstations. This is not presented as remotely exploitable in the provided sources, but it can materially worsen an intrusion once an attacker has local access. Mitigation focus: Review Microsoft MS10-098 for the vendor security update and applicability guidance.; Apply the relevant Microsoft update or supported superseding update where available.; Retire or isolate affected legacy systems that cannot be patched..

Prepared

Jun 28, 2026, 01:17 UTC (UTC+00:00)

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