CVE-2026-65773: Windows Kernel Elevation of Privilege Vulnerability
Improper access control in Windows Kernel allows an authorized attacker to elevate privileges locally.
CSIRTS triage
- What
- Improper access control in the Windows Kernel allows local privilege escalation by an authorized attacker.
- Who is affected
- Systems where local authenticated attackers have access to affected Windows Kernel versions.
- Urgency
- High priority; local privilege escalation affects all Windows deployments and enables full system compromise.
- Action
- Apply the latest Windows Kernel security patch addressing CVE-2026-65773 promptly.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65773
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-657730.24% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 16% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-65773 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
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