CVE-2026-50476: Windows Network Connections Service Elevation of Privilege Vulnerability
Use after free in Microsoft Windows allows an authorized attacker to elevate privileges locally.
CSIRTS triage
- What
- Use after free vulnerability allows an authorized attacker to elevate privileges locally.
- Who is affected
- Users of Microsoft Windows with the affected version.
- Urgency
- Remediation is urgent due to the high severity and potential for exploitation.
- Action
- Apply the latest security updates for Windows.
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-2026-50476
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-2026-504761.6% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 74% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-50476 | 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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