CVE-2026-47656
Windows Boot Manager Security Feature Bypass Vulnerability
CVE-2026-47656 is fixed in 30 products on 1 platform, first by KB5094122, released June 9, 2026. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
7.9
Important
Exploitation
None reported
Exploitation Less Likely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0030
23rd percentile
<p>Protection mechanism failure in Windows Boot Manager allows an authorized attacker to bypass a security feature locally.</p>
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Microsoft | |||
| Windows 10 Version 1607 for 32-bit Systems | 14393.9234 | KB5094122 | Jun 9, 2026 |
| Windows 10 Version 1607 for x64-based Systems | 14393.9234 | KB5094122 | Jun 9, 2026 |
| Windows 10 Version 1809 for 32-bit Systems | 17763.8880 | KB5094123 | Jun 9, 2026 |
| Windows 10 Version 1809 for x64-based Systems | 17763.8880 | KB5094123 | Jun 9, 2026 |
| Windows 10 Version 21H2 for 32-bit Systems | KB5094127 | Jun 9, 2026 | |
| Windows 10 Version 21H2 for ARM64-based Systems | KB5094127 | Jun 9, 2026 | |
| Windows 10 Version 21H2 for x64-based Systems | KB5094127 | Jun 9, 2026 | |
| Windows 10 Version 22H2 for 32-bit Systems | KB5094127 | Jun 9, 2026 | |
| Windows 10 Version 22H2 for ARM64-based Systems | KB5094127 | Jun 9, 2026 | |
| Windows 10 Version 22H2 for x64-based Systems | KB5094127 | Jun 9, 2026 | |
| Windows 11 Version 23H2 for ARM64-based Systems | 22631.7219 | KB5093998 | Jun 9, 2026 |
| Windows 11 Version 23H2 for x64-based Systems | 22631.7219 | KB5093998 | Jun 9, 2026 |
| Windows 11 Version 24H2 for ARM64-based Systems | KB5094126 | Jun 9, 2026 | |
| Windows 11 Version 24H2 for x64-based Systems | KB5094126 | Jun 9, 2026 | |
| Windows 11 Version 25H2 for ARM64-based Systems | KB5094126 | Jun 9, 2026 | |
| Windows 11 Version 25H2 for x64-based Systems | KB5094126 | Jun 9, 2026 | |
| Windows 11 Version 26H1 for ARM64-based Systems | 28000.2269 | KB5095051 | Jun 9, 2026 |
| Windows 11 version 26H1 for x64-based Systems | 28000.2269 | KB5095051 | Jun 9, 2026 |
| Windows Server 2012 | KB5094042 | Jun 9, 2026 | |
| Windows Server 2012 (Server Core installation) | KB5094042 | Jun 9, 2026 | |
| Windows Server 2012 R2 | KB5094041 | Jun 9, 2026 | |
| Windows Server 2012 R2 (Server Core installation) | KB5094041 | Jun 9, 2026 | |
| Windows Server 2016 | 14393.9234 | KB5094122 | Jun 9, 2026 |
| Windows Server 2016 (Server Core installation) | 14393.9234 | KB5094122 | Jun 9, 2026 |
| Windows Server 2019 | 17763.8880 | KB5094123 | Jun 9, 2026 |
| Windows Server 2019 (Server Core installation) | 17763.8880 | KB5094123 | Jun 9, 2026 |
| Windows Server 2022 | 20348.5256 | KB5094128 | Jun 9, 2026 |
| Windows Server 2022 (Server Core installation) | 20348.5256 | KB5094128 | Jun 9, 2026 |
| Windows Server 2025 | 26100.32995 | KB5094125 | Jun 9, 2026 |
| Windows Server 2025 (Server Core installation) | 26100.32995 | KB5094125 | Jun 9, 2026 |
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