Main Vulnerability Database Vulnerabilities #VU58948

Permissions, Privileges, and Access Controls in Microsoft products - CVE-2021-42293

Published: December 14, 2021

Vulnerability identifier: #VU58948

CSH Severity: Medium

CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-42293

CWE-ID: CWE-264

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote authenticated attacker to escalate privileges on the system.

The vulnerability exists due to application does not properly impose security restrictions in Microsoft Jet Red Database Engine and Access Connectivity Engine, which leads to security restrictions bypass and privilege escalation.

Affected software

Microsoft Office LTSC
Microsoft 365 Apps for Enterprise
Microsoft Office

How to mitigate CVE-2021-42293

Install updates from vendor's website.

External References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42293

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