Out-of-bounds read in Microsoft products - CVE-2021-31174
Published: May 11, 2021 / Updated: June 22, 2021
Vulnerability identifier: #VU53112
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2021-31174
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability:
Public exploit is available
Vendor: Microsoft
Affected software:
Microsoft Office
Microsoft Excel
Office Online Server
Microsoft Office Web Apps Server
Microsoft Office
Microsoft Excel
Office Online Server
Microsoft Office Web Apps Server
Detailed vulnerability description
The vulnerability allows a local user to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in Microsoft Excel. A local user can trigger out-of-bounds read error and read contents of memory on the system.
How to mitigate CVE-2021-31174
Install updates from vendor's website.