Windows Encrypting File System (EFS) Remote Code Execution Vulnerability
🔗 CVE IDs covered (1)
📋 Description
According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability? Successful exploitation of this vulnerability requires an attacker to prepare the target environment to improve exploit reliability.
According to the CVSS metric, privileges required is low (PR:L). What does that mean for this vulnerability? To exploit this vulnerability the attacker would need to have been granted permissions to the vulnerable share with EFS enabled to which they send a specially crafted malicious request.
🎯 Affected products22
- Windows 10 Version 1607 for 32-bit Systems
- Windows 10 Version 1607 for x64-based Systems
- Windows 10 Version 1809 for 32-bit Systems
- Windows 10 Version 1809 for ARM64-based Systems
- Windows 10 Version 1809 for x64-based Systems
- Windows 10 Version 20H2 for 32-bit Systems
- Windows 10 Version 20H2 for ARM64-based Systems
- Windows 10 Version 21H1 for 32-bit Systems
- Windows 10 Version 21H1 for ARM64-based Systems
- Windows 10 Version 21H1 for x64-based Systems
- Windows 10 Version 21H2 for 32-bit Systems
- Windows 10 Version 21H2 for ARM64-based Systems
- Windows 10 Version 21H2 for x64-based Systems
- Windows 11 version 21H2 for ARM64-based Systems
- Windows 11 version 21H2 for x64-based Systems
- Windows Server 2016
- Windows Server 2016 (Server Core installation)
- Windows Server 2019
- Windows Server 2019 (Server Core installation)
- Windows Server 2022
- Windows Server 2022 (Server Core installation)
- Windows Server, version 20H2 (Server Core Installation)
✅ Remediation
KB5014692 (Security Update) — fixed build 10.0.17763.3046 KB5014699 (Security Update) — fixed build 10.0.19043.1766 KB5014678 (Security Update) — fixed build 10.0.20348.770 KB5014677 (Security Hotpatch Update) — fixed build 10.0.20348.770 KB5014699 (Security Update) — fixed build 10.0.19042.1766 KB5014697 (Security Update) — fixed build 10.0.22000.739 KB5014699 (Security Update) — fixed build 10.0.19044.1766 KB5014702 (Security Update) — fixed build 10.0.14393.5192
🔗 References (9)
- advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-30145
- patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5014692
- referencehttps://support.microsoft.com/help/5014692
- patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5014699
- referencehttps://support.microsoft.com/help/5014699
- patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5014678
- patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5014697
- referencehttps://support.microsoft.com/help/5014697
- patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5014702