CVE-2026-62885: Windows Win32k Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Win32K allows an authorized attacker to elevate privileges locally.
CSIRTS triage
- What
- A heap-based buffer overflow in Windows Win32K allows an authorized attacker to escalate privileges locally.
- Who is affected
- Authorized users on Windows systems with the affected Win32K component.
- Urgency
- High priority; CVSS 7.8 indicates significant risk, though not currently exploited and requires prior authorization.
- Action
- Apply Microsoft security updates for Windows Win32K when available.
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-2026-62885
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-2026-628850.24% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 15% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-62885 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
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