Out-of-bounds read in Microsoft products - CVE-2020-17126
Published: December 8, 2020
Vulnerability identifier: #VU48844
CSH Severity: Low
CVSS v4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-17126
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition. A remote attacker can create a specially crafted Excel file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.
Affected software
Microsoft Excel
Microsoft Office Web Apps
Microsoft Office
Office Online Server
Microsoft Office Web Apps
Microsoft Office
Office Online Server
How to mitigate CVE-2020-17126
Install updates from vendor's website.