Executive Risk Summary
"The Chakra JavaScript scripting engine in Microsoft Edge is vulnerable to memory corruption, allowing remote attackers to execute arbitrary code or cause a denial of service. This vulnerability can be exploited by a crafted web site, making it a significant risk for users who browse the internet."
Anticipated Attack Path
- 1. Initial Exploitation: Attacker crafts a malicious web site to exploit the Chakra JavaScript Engine vulnerability
- 2. Privilege Escalation: Exploited code executes in the context of the Microsoft Edge browser
- 3. Lateral Movement: Attacker potentially gains access to sensitive data or systems
Am I Vulnerable?
- Verify Microsoft Edge version and apply the latest security updates
- Implement a web application firewall (WAF) to filter malicious traffic
- Monitor system logs for suspicious activity
Operational Audit Arsenal
Target Type Process
Target Asset edgehtml.dll
Standard Path C:\Windows\System32
PowerShell
# 🛠️ Senior Engineer Universal Audit
# Target: edgehtml.dll (Process)
$Targets = 'edgehtml.dll'
$SearchPaths = @("$env:windir\System32", "$env:ProgramFiles", "${env:ProgramFiles(x86)}")
Get-ChildItem -Path $SearchPaths -Include $Targets -Recurse -ErrorAction SilentlyContinue |
Select-Object FullName, @{Name="Version";Expression={$_.VersionInfo.ProductVersion}}Patch Impact Forecast
Reboot Required Likely
Minimal, but may require a browser restart
Internal Work Notes
Apply MS16-129 security update to Microsoft Edge to mitigate Chakra JavaScript Engine memory corruption vulnerability
Technical Intelligence & Operational Utilities • Delivered Weekly
Intelligence Sources
Official Advisoryhttp://packetstormsecurity.com/files/140382/Microsoft-Edge-chakra.dll-Information-Leak-Type-Confusion.html
Official Advisoryhttp://www.securityfocus.com/bid/93968
Official Advisoryhttp://www.securitytracker.com/id/1037245
MSRC Advisoryhttps://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-129
Official Advisoryhttps://github.com/theori-io/chakra-2016-11
Official Advisoryhttps://www.exploit-db.com/exploits/40785/
Official Advisoryhttps://www.exploit-db.com/exploits/40990/
Official Advisoryhttp://packetstormsecurity.com/files/140382/Microsoft-Edge-chakra.dll-Information-Leak-Type-Confusion.html
Official Advisoryhttp://www.securityfocus.com/bid/93968
Official Advisoryhttp://www.securitytracker.com/id/1037245
MSRC Advisoryhttps://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-129
Official Advisoryhttps://github.com/theori-io/chakra-2016-11
Official Advisoryhttps://www.exploit-db.com/exploits/40785/
Official Advisoryhttps://www.exploit-db.com/exploits/40990/
Official Advisoryhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-7200
Related Microsoft Threats
Data compiled from NVD, MSRC, and CISA KEV Catalog. Intelligence synthesized via AI. Scripts provided for diagnostic purposes under MIT License.