GHSA-2h24-8rjh-qgjv · 深刻度： medium — Microsoft is aware of a security feature bypass vulnerability in Windows publicly referred to as ...
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. Mitigation FAQs Should I leverage the temporary mitigation? Microsoft recommends that you consider implementing these mitigations if you are concerned your devices and data are at risk of being compromised or stolen. For example, if your organization’s employees take their work devices home or on business travel. What impact to service availability/management could be caused by implementing the mitigations? Implementing these mitigations will not impact service availability or management operations. Do customers need to revert the changes made to mitigate the vulnerability once the security update to protect against this vulnerability is available? No. The security update will maintain the mitigation's behavior once the security update is installed. I am using TPM+PIN, am I at risk of this vulnerability being exploited No, if you are using TPM+PIN the vulnerability is not exploitable.
総合評価: CVE-2026-45585 は悪用リスクが高い（65.5/100）。CVSS 深刻度は中。悪用される可能性が高い（EPSS 1.25%、66 パーセンタイル） 根拠: 公開エクスプロイトが 1 件参照されています（Exploit-DB）。 推奨対応: 公開エクスプロイトが確認されています。影響範囲の確認、緩和策の適用、パッチ適用を優先してください。
リスクは変動します。再評価に基づき、本ページの表示内容を更新しています。
| EDB-ID | ソース | 種別 | 公開 | リンク |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS は日次で悪用されやすさの相対度合いを推定します。パーセンタイルは採点済み CVE の中での相対位置（高いほど相対的に深刻）を示します。
| # | 日付 | 旧 EPSS スコア | 新 EPSS スコア | Δ（新 − 旧） |
|---|---|---|---|---|
| 1 | 2026-06-23 | 0.85% | 1.25% | +0.40% |
| 2 | 2026-06-15 | 0.08% | 0.85% | +0.76% |
| 3 | 2026-05-20 | — | 0.08% | — |
EPSS の全履歴 （全 3 件）
この CVE の CVSS 指標。
| ベーススコア | バージョン | 深刻度 | ベクトル | 悪用しやすさ | 影響 | スコアの出典 |
|---|---|---|---|---|---|---|
| 6.8 | 3.1 | MEDIUM |
|
0.9 | 5.9 | [email protected] |
GHSA-2h24-8rjh-qgjv · 深刻度： medium — Microsoft is aware of a security feature bypass vulnerability in Windows publicly referred to as ...
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| microsoft | windows_11_24h2 | — | cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:x64:* |
| microsoft | windows_11_25h2 | — | cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:x64:* |
| microsoft | windows_11_26h1 | — | cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:x64:* |
| microsoft | windows_server_2025 | — | cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:* |
| URL | タグ |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45585 | Mitigation Vendor Advisory |
| https://github.com/Nightmare-Eclipse/YellowKey | Exploit Third Party Advisory |