CVE-2026-50450: Windows Network Connections Service Elevation of Privilege Vulnerability

highCVSS 7.8CVE-2026-50450

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Wireless Wide Area Network Service allows an authorized attacker to elevate privileges locally.

CSIRTS triage

vendor: Microsoft product: Windows Wireless Wide Area Network Service Privilege escalation

What: Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Wireless Wide Area Network Service allows an authorized attacker to elevate privileges locally.
Who is affected: Authorized users of Windows Wireless Wide Area Network Service.
Urgency: Remediation is urgent due to the high severity rating and potential for privilege escalation.
Action: Apply the latest security patch provided by Microsoft.

AI-assisted analysis generated from the source advisory — verify against the original.

⚡ Watch Windows Wireless Wide Area Network Service

Get an email when a new Windows Wireless Wide Area Network Service advisory drops — max one per day, one-click unsubscribe.

Details

Source: Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity: high — CVSS 7.8
Published: 2026-07-14
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50450

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-2026-504500.15% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 5% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-50450	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

Recent advisories for Windows Network Connections

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

highCVE-2026-50666: Use after free in Windows Remote Access Connection Manager allows an authorized attacker to el…nvd · 2026-07-14
highCVE-2026-50476: Windows Network Connections Service Elevation of Privilege Vulnerabilitymsrc · 2026-07-14