Privilege escalation in Windows User Profile Service
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2022-21919 CVE-2022-21895 |
| CWE-ID | CWE-119 |
| Exploitation vector | Local |
| Public exploit | Vulnerability #1 is being exploited in the wild. |
| Vulnerable software |
Windows Operating systems & Components / Operating system Windows Server Operating systems & Components / Operating system |
| Vendor | Microsoft |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Buffer overflow
EUVDB-ID: #VU59512
Risk: Low
CVSSv3.1: 6.7 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C]
CVE-ID: CVE-2022-21919
CWE-ID:
CWE-119 - Memory corruption
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
Install updates from vendor's website.
Vulnerable software versionsWindows: 7 - 11 21H2 10.0.22000.194
Windows Server: 2008 R2 - 2022 10.0.20348.202
CPE2.3- cpe:2.3:o:microsoft:windows:*:*:*:*:*:*:*:
- cpe:2.3:o:microsoft:windows:8.1:*:*:*:*:*:*:
- cpe:2.3:o:microsoft:windows:10:Gold:*:*:*:*:*:
- cpe:2.3:o:microsoft:windows:10:Mobile:*:*:*:*:*:
- cpe:2.3:o:microsoft:windows:10:S:*:*:*:*:*:
- cpe:2.3:o:microsoft:windows:10 20H2:10.0.19042.572:*:*:*:*:*:
- cpe:2.3:o:microsoft:windows:10 21H1:10.0.19043.985:*:*:*:*:*:
- cpe:2.3:o:microsoft:windows:10 21H2:10.0.19044.1288:*:*:*:*:*:
- cpe:2.3:o:microsoft:windows:10 1507:10.0.10240.16405:*:*:*:*:*:
- cpe:2.3:o:microsoft:windows:10 1511:10.0.10586.3:*:*:*:*:*:
- cpe:2.3:o:microsoft:windows_server:*:*:*:*:*:*:*:
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-21919
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?
Yes. This vulnerability is being exploited in the wild.
2) Buffer overflow
EUVDB-ID: #VU59511
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-2022-21895
CWE-ID:
CWE-119 - Memory corruption
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error in Windows User Profile Service. A local user can execute arbitrary code with elevated privileges.
Install updates from vendor's website.
Vulnerable software versionsWindows: 8.1 RT - 10
Windows Server: 2012 R2 - 2022 10.0.20348.202
CPE2.3- cpe:2.3:o:microsoft:windows:10 1607:10.0.14393.10:*:*:*:*:*:
- cpe:2.3:o:microsoft:windows_server:2016:10.0.14393.10:*:*:*:*:*:
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-21895
http://www.zerodayinitiative.com/advisories/ZDI-22-050/
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.
