Signal is active with 1 mentions in latest observed window
Recommended action window: Monitor and triage in normal cycle
NVD description
Use after free in Windows Security App allows an authorized attacker to elevate privileges locally.
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.
🚨 HIGH Severity: CVE-2026-78457 (CVSS 7.0) Use-after-free flaw in Windows Security Health Service enables local privilege escalation by authenticated attackers. Patch immediately. #CVE #Vulnerability #PatchNow #ThreatIntel #DFIR https://t.co/izz322NDMZ
Post summary
The tweet announces a high‑severity CVE with detailed technical aspects and explicitly advises to apply a patch immediately.
8 of 8 entries
| Part | Vendor | Product | Version | Target SW | Target HW |
|---|---|---|---|---|---|
| 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_2022 | - | - | - |
| OS | microsoft | windows_server_2025 | - | - | - |