CVE-2020-1195: microsoft edge Improper Input Validation

Vulnerability summary

CVE-2020-1195 is a medium (CVSS 4.3) Improper Input Validation vulnerability in microsoft edge. EPSS estimates a 2.08% chance of exploitation in the next 30 days, higher than 81.3% of scored vulnerabilities.

Timeline

1. 21-05-2020
   PublishedVulnerability first disclosed.
2. 19-08-2026
   Last modifiedVulnerability information updated.

Description

An elevation of privilege vulnerability exists in Microsoft Edge (Chromium-based) when the Feedback extension improperly validates input. An attacker who successfully exploited this vulnerability could write files to arbitrary locations and gain elevated privileges. The vulnerability by itself does not allow arbitrary code to run. However, this vulnerability could be used in conjunction with one or more vulnerabilities (for example a remote code execution vulnerability and another elevation of privilege vulnerability) to take advantage of the elevated privileges when running. The security update addresses the vulnerability by modifying how Microsoft Edge (Chromium-based) Feedback extension validates files.

• CWE-20Improper Input ValidationThe product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.