CVE-2026-49783
Improperly implemented security check for standard in Windows Secure Boot allows an authorized attacker to bypass a security feature locally.
Scoring
- Severity
- HIGH
- CVSS base score
- 7.8
- CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
- EPSS probability
- 0.33%
- CWE
- CWE-358
- Published
- 2026-07-14
- Last modified
- 2026-09-09
Affected products
- Microsoft Windows 10 Version 1607
- Microsoft Windows 10 Version 1809
- Microsoft Windows 10 Version 21H2
- Microsoft Windows 10 Version 22H2
- Microsoft Windows 11 Version 24H2
- Microsoft Windows 11 Version 25H2
- Microsoft Windows 11 version 26H1
- Microsoft Windows Server 2016
Weakness type
Related vulnerabilities
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- CVE-2026-42081 — free5GC: UE Security Capability bypass on NGAP PathSwitchRequest
- CVE-2026-42082 — free5GC: Missing Concurrent NAS SMC Validation During NGAP Handover
- CVE-2026-44473 — Ella Core: UE Downlink Redirection via Forged PDUSessionResourceSetupResponse