CVE-2026-45656
HIGH EPSS 22.4%
Published Jun 9, 20262w ago · Modified Jun 17, 20261w ago
7.8 CVSS 3.1
Published Jun 9, 2026 2w ago
Last Modified Jun 17, 2026 1w ago
Description
Protection mechanism failure in Windows UEFI allows an authorized attacker to bypass a security feature locally.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High
Threat Intelligence
EPSS Exploit Probability
22.4% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-693
Affected Products 24
| Vendor | Product | Version | Range |
|---|---|---|---|
| microsoft | windows_10_1607 | * | <10.0.14393.9234 |
| microsoft | windows_10_1607 | * | <10.0.14393.9234 |
| microsoft | windows_10_1809 | * | <10.0.17763.8880 |
| microsoft | windows_10_1809 | * | <10.0.17763.8880 |
| microsoft | windows_10_21h2 | * | <10.0.19044.7417 |
| microsoft | windows_10_21h2 | * | <10.0.19044.7417 |
| microsoft | windows_10_21h2 | * | <10.0.19044.7417 |
| microsoft | windows_10_22h2 | * | <10.0.19045.7417 |
| microsoft | windows_10_22h2 | * | <10.0.19045.7417 |
| microsoft | windows_10_22h2 | * | <10.0.19045.7417 |
| microsoft | windows_11_23h2 | * | <10.0.22631.7219 |
| microsoft | windows_11_23h2 | * | <10.0.22631.7219 |
| microsoft | windows_11_24h2 | * | <10.0.26100.8655 |
| microsoft | windows_11_24h2 | * | <10.0.26100.8655 |
| microsoft | windows_11_25h2 | * | <10.0.26200.8655 |
| microsoft | windows_11_25h2 | * | <10.0.26200.8655 |
| microsoft | windows_11_26h1 | * | <10.0.28000.2269 |
| microsoft | windows_11_26h1 | * | <10.0.28000.2269 |
| microsoft | windows_server_2012 | * | any |
| microsoft | windows_server_2012 | r2 | any |
| microsoft | windows_server_2016 | * | <10.0.14393.9234 |
| microsoft | windows_server_2019 | * | <10.0.17763.8880 |
| microsoft | windows_server_2022 | * | <10.0.20348.5256 |
| microsoft | windows_server_2025 | * | <10.0.26100.32995 |
References 1
- msrc.microsoft.com https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45656
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.