Privilege escalation in Microsoft Windows Local Security Authority (LSA)
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2023-21524 |
| CWE-ID | CWE-264 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Windows Operating systems & Components / Operating system Windows Server Operating systems & Components / Operating system |
| Vendor | Microsoft |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Permissions, Privileges, and Access Controls
EUVDB-ID: #VU71066
Risk: Low
CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-21524
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to application does not properly impose security restrictions in Windows Local Security Authority (LSA), which leads to security restrictions bypass and privilege escalation.
MitigationInstall updates from vendor's website.
Vulnerable software versionsWindows: 7 - 11 22H2 10.0.22621.521
Windows Server: 2012 - 2022 10.0.20348.202
External linkshttp://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-21524
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
