Signal is active with 1 mentions in latest observed window
Recommended action window: Monitor and triage in normal cycle
NVD description
Heap-based buffer overflow in Windows Kernel allows an unauthorized attacker to execute code over a network.
Priority
LOW
Exploitation
NONE
PoC
NONE
Patch
AVAILABLE
Momentum
STABLE
If you run products in this scope, you should treat this CVE as relevant to your environment.
2 versions affected across 13 products
🚨 HIGH SEVERITY: CVE-2026-69669 - Heap buffer overflow in Windows Kernel (CVSS 8.8). Remote code execution possible via network. Patch immediately. #CVE #Vulnerability #PatchNow #ThreatIntel #DFIR https://t.co/3eXzqixOpg
🚨Critical - Windows Kernel Heap Buffer Overflow Network RCE (CVE-2026-69669) A heap-based buffer overflow in the Windows Kernel network stack allows unauthenticated remote attackers to trigger out-of-bounds writes via crafted network traffic, leading to kernel-mode RCE and full system compromise. Systems not exposing the vulnerable service/port are not impacted. 👉Affected: Microsoft Windows Kernel (version range TBD)
Post summary
The text announces CVE-2026-69669, a critical heap-based buffer overflow in the Windows Kernel network stack that allows unauthenticated remote code execution.
24 of 24 entries
| Part | Vendor | Product | Version | Target SW | Target HW |
|---|---|---|---|---|---|
| OS | microsoft | windows_10_1607 | - | - | x64 |
| OS | microsoft | windows_10_1607 | - | - | x86 |
| OS | microsoft | windows_10_1809 | - | - | x64 |
| OS | microsoft | windows_10_1809 | - | - | x86 |
| OS | microsoft | windows_10_21h2 | - | - | arm64 |
| OS | microsoft | windows_10_21h2 | - | - | x64 |
| OS | microsoft | windows_10_21h2 | - | - | x86 |
| OS | microsoft | windows_10_22h2 | - | - | arm64 |
| OS | microsoft | windows_10_22h2 | - | - | x64 |
| OS | microsoft | windows_10_22h2 | - | - | x86 |
| OS | microsoft | windows_11_23h2 | - | - | arm64 |
| OS | microsoft | windows_11_23h2 | - | - | x64 |
| OS | microsoft | windows_11_24h2 | - | - | arm64 |
| OS | microsoft | windows_11_24h2 | - | - | x64 |
| OS | microsoft | windows_11_25h2 | - | - | arm64 |
| OS | microsoft | windows_11_25h2 | - | - | x64 |
| OS | microsoft | windows_11_26h1 | - | - | arm64 |
| OS | microsoft | windows_11_26h1 | - | - | x64 |
| OS | microsoft | windows_server_2012 | - | - | - |
| OS | microsoft | windows_server_2012 | r2 | - | - |
| OS | microsoft | windows_server_2016 | - | - | - |
| OS | microsoft | windows_server_2019 | - | - | - |
| OS | microsoft | windows_server_2022 | - | - | - |
| OS | microsoft | windows_server_2025 | - | - | - |