CVE-2026-45585
| Summary |
Microsoft is aware of a security feature bypass vulnerability in Windows publicly referred to as "YellowKey". The proof of concept for this vulnerability has been made public violating coordinated vulnerability best practices.
We are issuing this CVE to provide mitigation guidance that can be implemented to protect against this vulnerability until the security update is made available.
|
| Publication Date |
May 20, 2026, 9:16 a.m. |
| Registration Date |
May 21, 2026, 4:09 a.m. |
| Last Update |
May 21, 2026, 1:42 a.m. |
|
CVSS3.1 : MEDIUM
|
| スコア |
6.8
|
| Vector |
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| 攻撃元区分(AV) |
物理 |
| 攻撃条件の複雑さ(AC) |
低 |
| 攻撃に必要な特権レベル(PR) |
不要 |
| 利用者の関与(UI) |
不要 |
| 影響の想定範囲(S) |
変更なし |
| 機密性への影響(C) |
高 |
| 完全性への影響(I) |
高 |
| 可用性への影響(A) |
高 |
Affected software configurations
| Configuration1 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:x64:* |
|
|
|
|
| cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:x64:* |
|
|
|
|
| cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:x64:* |
|
|
|
|
| cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:* |
|
|
|
|
Related information, measures and tools
Common Vulnerabilities List