PT-2026-88001 · Microsoft · Windows+8
CVE-2026-78457
·
Published
2026-09-08
·
Updated
2026-09-12
CVSS v3.1
7.0
High
| Vector | AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
🚨 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
Fix
LPE
Use After Free
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Weakness Enumeration
Related Identifiers
Affected Products
Windows
Windows 11 Version 24H2
Windows 11 Version 25H2
Windows 11 Version 26H1
Windows Server 2022
Windows Server 2025
Windows 11 24H2
Windows 11 25H2
Windows 11 26H1