Microsoft disclosed and patched multiple elevation of privilege vulnerabilities in the Kernel Streaming WOW Thunk Service Driver, including CVE-2025-24995 and CVE-2025-49675, through its Security Update Guide. Both issues affect a Windows kernel component and could allow an attacker to gain higher privileges on a targeted system if successfully exploited.
The advisories provide limited public technical detail, but the repeated identification of the same driver across separate CVEs indicates an ongoing security focus on the Kernel Streaming WOW Thunk Service Driver as a privileged attack surface in Windows. Organizations should prioritize applying the relevant Microsoft security updates and review affected Windows assets for exposure to local privilege escalation risk tied to this component.

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2 events from the most recent confirmed update back to the earliest known activity.
Microsoft released a Security Update Guide entry for CVE-2025-49675, also affecting the Kernel Streaming WOW Thunk Service Driver as an elevation of privilege vulnerability.
Microsoft released a Security Update Guide entry for CVE-2025-24995, a Kernel Streaming WOW Thunk Service Driver elevation of privilege vulnerability.
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