Signal is active with 2 mentions in latest observed window
Recommended action window: Monitor and triage in normal cycle
NVD description
Heap-based buffer overflow in Windows Encrypting File System (EFS) allows an authorized attacker to elevate privileges over a network.
Priority
LOW
Exploitation
NONE
PoC
NONE
Patch
AVAILABLE
Momentum
NONE
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-2026-69688 (CVSS 7.1) Heap buffer overflow in Windows EFS enables privilege escalation over network. Authorized attackers can exploit to gain elevated privileges. Patch immediately. #CVE #Vulnerability #PatchNow #ThreatIntel https://t.co/7SN5pDmQHu
🔐 Windows EFS has a 7.1-rated heap overflow that can turn network access into higher privileges. Microsoft patched it—because “authorized” attackers are still attackers. https://windowsforum.com/news/cve-2026-69688-windows-encrypting-file-system-efs-elevation-of-privilege-vulnerability.447830/?utm_source=x&utm_medium=social&utm_campaign=news_node84 #MicrosoftSecurity #Msrc #Cve202669688 https://t.co/e0oUKEERyN
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 | - | - | x64 |
| OS | microsoft | windows_server_2019 | - | - | x64 |
| OS | microsoft | windows_server_2022 | - | - | x64 |
| OS | microsoft | windows_server_2025 | - | - | x64 |