SB20240312349 - Privilege escalation in Microsoft Office

Description

This security bulletin contains information about 1 vulnerability.

1) Link following (CVE-ID: CVE-2024-26199)

CWE-ID: CWE-59 - Improper Link Resolution Before File Access ('Link Following')

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to insecure link following within the Office Performance Monitor executable. A local user can create a symbolic link to a critical file on the system and delete arbitrary files.

Successful exploitation of the vulnerability may allow arbitrary code execution with elevated privileges.

Remediation

Install update from vendor's website.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-26199
• https://www.zerodayinitiative.com/advisories/ZDI-24-294/