CVE-2023-21771
published 2023-01-10CVE-2023-21771: Windows Local Session Manager (LSM) Elevation of Privilege Vulnerability
PriorityP431high7CVSS 3.1
AVLACHPRLUINSUCHIHAH
EPSS
0.40%
32.0th percentile
Windows Local Session Manager (LSM) Elevation of Privilege Vulnerability
Affected
24 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10_version_20h2 | >= 10.0.0 < 10.0.19042.2486 | 10.0.19042.2486 |
| microsoft | windows_10_version_21h2 | >= 10.0.19043.0 < 10.0.19044.2486 | 10.0.19044.2486 |
| microsoft | windows_10_version_22h2 | >= 10.0.19045.0 < 10.0.19045.2486 | 10.0.19045.2486 |
| microsoft | windows_11 | — | — |
| microsoft | windows_11 | — | — |
| microsoft | windows_11_version_21h2 | >= 10.0.0 < 10.0.22000.1455 | 10.0.22000.1455 |
| microsoft | windows_11_version_22h2 | >= 10.0.22621.0 < 10.0.22621.1105 | 10.0.22621.1105 |
| microsoft | windows_server_2022 | >= 10.0.20348.0 < 10.0.20348.1487 | 10.0.20348.1487 |
| msrc | windows_10_version_20h2_for_32-bit_systems | — | — |
| msrc | windows_10_version_20h2_for_arm64-based_systems | — | — |
| msrc | windows_10_version_21h2_for_32-bit_systems | — | — |
| msrc | windows_10_version_21h2_for_arm64-based_systems | — | — |
| msrc | windows_10_version_21h2_for_x64-based_systems | — | — |
| msrc | windows_10_version_22h2_for_32-bit_systems | — | — |
| msrc | windows_10_version_22h2_for_arm64-based_systems | — | — |
| msrc | windows_10_version_22h2_for_x64-based_systems | — | — |
| msrc | windows_11_version_21h2_for_arm64-based_systems | — | — |
| msrc | windows_11_version_21h2_for_x64-based_systems | — | — |
| msrc | windows_11_version_22h2_for_arm64-based_systems | — | — |
| msrc | windows_11_version_22h2_for_x64-based_systems | — | — |
| msrc | windows_server_2022 | — | — |
CVSS provenance
nvdv3.17.0HIGHCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
vendor_msrc7.0HIGH
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GHSA
GHSA-xwqg-3xfc-gp8v: Windows Local Session Manager (LSM) Elevation of Privilege Vulnerability
ghsa_unreviewed·2023-01-11
CVE-2023-21771 [HIGH] CWE-362 GHSA-xwqg-3xfc-gp8v: Windows Local Session Manager (LSM) Elevation of Privilege Vulnerability
Windows Local Session Manager (LSM) Elevation of Privilege Vulnerability.
Microsoft
Windows Local Session Manager (LSM) Elevation of Privilege Vulnerability
vendor_msrc·2023-01-10·CVSS 7.0
CVE-2023-21771 [HIGH] CWE-591 Windows Local Session Manager (LSM) Elevation of Privilege Vulnerability
Windows Local Session Manager (LSM) Elevation of Privilege Vulnerability
FAQ: 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 win a race condition.
FAQ: What privileges could be gained by an attacker who successfully exploited this vulnerability?
An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.
Windows Local Session Manager (LSM): Windows Local Session Manager (LSM)
Microsoft: Microsoft
Customer Action Required: Yes
Impact: Elevation of Privilege
Exploit Status: Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely;DOS:N/A
Reference: https://catalog.update.microsoft.com/v7/site/Sear
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2023-01-10
Published