CYBERHAWK / CVE / CVE-2026-42904
CVE-2026-42904
CRITICAL
CVSS 9.6
other
The flaw
Heap-based buffer overflow in Windows TCP/IP allows an unauthorized attacker to elevate privileges over an adjacent network.
What to do
Review advisory and patch per vendor guidance.
References
In the news
- Microsoft June 2026 Patch Tuesday fixes 6 zero-days, 200 flawsBleepingComputer · 2026-06-09
- Zero Day Initiative — The June 2026 Security Update Reviewthezdi.com · 2026-06-09
- Microsoft Patch Tuesday June 2026 Fixes 198 Vulnerabilities, Including 3 Zero-Daysgbhackers.com · 2026-06-10