CVE-2026-69404: Windows TCP/IP Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows TCP/IP allows an authorized attacker to elevate privileges locally.
Details
Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69404
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-69404 | 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 TCP/IP Elevation
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-2026-69761: Use after free in Windows TCP/IP allows an authorized attacker to elevate privileges over a ne…nvd · 2026-09-08
- highCVE-2026-69757: Use after free in Windows TCP/IP allows an authorized attacker to elevate privileges over a ne…nvd · 2026-09-08
- highCVE-2026-69404: Concurrent execution using shared resource with improper synchronization ('race condition') in…nvd · 2026-09-08
- highCVE-2026-69385: Concurrent execution using shared resource with improper synchronization ('race condition') in…nvd · 2026-09-08
- highCVE-2026-69757: Windows TCP/IP Elevation of Privilege Vulnerabilitymsrc · 2026-09-08
- highCVE-2026-69385: Windows TCP/IP Elevation of Privilege Vulnerabilitymsrc · 2026-09-08
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