CVE-2016-7200
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
A memory corruption vulnerability in the Chakra JavaScript engine of Microsoft Edge allows remote attackers to execute arbitrary code or trigger a denial of service. The high EPSS score of 0.89225 signifies a very high probability of exploitation, and its inclusion in CISA's KEV list confirms active exploitation.
This vulnerability is actively being exploited in the wild. Attackers can leverage crafted websites to remotely compromise affected systems.
Ensure Microsoft Edge is updated to the latest version to patch this vulnerability. Regularly update all web browsers to protect against known exploits.
Technical Analysis
CVE-2016-7200 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-2016-7200 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-2016-7200 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