CVE-2016-7201
Published: March 28, 2022
Official Description
The Chakra JavaScript scripting engine in Microsoft Edge allows remote attackers to execute remote code or cause a denial of service (memory corruption) via a crafted web site.
CISA KEV Advisory
Microsoft Edge Memory Corruption Vulnerability
The Chakra JavaScript scripting engine in Microsoft Edge allows remote attackers to execute remote code or cause a denial of service (memory corruption) via a crafted web site.
Apply updates per vendor instructions.
Risk Analysis
The Chakra JavaScript scripting engine in Microsoft Edge contains a memory corruption vulnerability that can lead to remote code execution or denial of service when visiting a crafted website. With an EPSS score of 0.90142 and its presence in CISA's KEV, this is a critical and actively exploited flaw.
This vulnerability is actively exploited in the wild, as indicated by its inclusion in CISA's Known Exploited Vulnerabilities catalog.
Apply the latest security updates for Microsoft Edge. Ensure all web browsers are kept up-to-date to mitigate memory corruption vulnerabilities.
Technical Analysis
CVE-2016-7201 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CISA has added CVE-2016-7201 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.
Affected Vendors & Products
Exploit & PoC Resources
All References (1)
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2016-7201 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
- !CISA KEV: Federal agencies must patch per BOD 22-01 timeline
- !Active exploitation confirmed — treat as P1