Secure Boot bypass through incorrect authorization
Published Apr 11, 2023 · Updated Jan 23, 2025
Security feature bypass in Windows Boot Manager allows physically proximate attackers to bypass Secure Boot protections on affected Windows releases. Microsoft has not published the specific Boot Manager authorization decision or input handling error that permits the bypass. Exploitation requires physical access and high privileges, and success can compromise confidentiality, integrity, and availability during boot.
Summary
What happened
Security feature bypass in Windows Boot Manager allows physically proximate attackers to bypass Secure Boot protections on affected Windows releases. Microsoft has not published the specific Boot Manager authorization decision or input handling error that permits the bypass. Exploitation requires physical access and high privileges, and success can compromise confidentiality, integrity, and availability during boot.
The record
- CVE
- CVE-2023-28249
- Published
- Apr 11, 2023
- Updated
- Jan 23, 2025
- Vendor
- Microsoft
- Product
- Windows 10 Version 1507
- Classifications
- CWE-863
- Attack vector
- physical
- Privileges
- admin
Timeline
How it unfolded
- Apr 11, 2023CVE publishedPublication date reported by the CVE source.
- Jan 23, 2025Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=10.0.10240.0 <10.0.10240.19869
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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