CVE-2026-62888: Windows DWM Core Library Elevation of Privilege Vulnerability
Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
CSIRTS triage
- What
- A use-after-free vulnerability in Windows DWM Core Library allows an authorized attacker to escalate privileges locally.
- Who is affected
- Authorized users on Windows systems running the affected DWM Core Library.
- Urgency
- High priority; CVSS 7.8 indicates significant risk, though not currently exploited and requires prior authorization.
- Action
- Apply Microsoft security updates for Windows DWM Core Library 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-2026-62888
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.
- Moderate exploitation riskCVE-2026-628881.8% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 77% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-62888 | coverage & exploitation status | NVD · CVE.org |
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