Executive Risk Summary
"A memory corruption vulnerability exists in JScript 9 in Microsoft Internet Explorer 10 and 11, allowing remote attackers to execute arbitrary code or cause a denial of service. This vulnerability can be exploited by a crafted web site, leading to potential system compromise or disruption."
Anticipated Attack Path
- 1. Initial Exploitation: Attacker crafts a malicious web site to exploit the JScript 9 vulnerability
- 2. Privilege Escalation: Arbitrary code execution or denial of service is achieved, potentially leading to system compromise
- 3. Lateral Movement: Attacker may attempt to move laterally within the network, exploiting other vulnerabilities or using compromised credentials
Am I Vulnerable?
- Verify Internet Explorer 10 and 11 versions are updated to the latest patch level
- Implement web content filtering to block malicious web sites
- Monitor system logs for signs of exploitation or suspicious activity
Operational Audit Arsenal
Target Type Process
Target Asset iexplore.exe
Standard Path C:\Program Files\Internet Explorer
PowerShell
# 🛠️ Senior Engineer Universal Audit
# Target: iexplore.exe (Process)
$Targets = 'iexplore.exe'
$SearchPaths = @("$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
Potential disruption to web browsing and related services
Internal Work Notes
Urgent: Apply MS15-065 patch to Internet Explorer 10 and 11 to mitigate JScript 9 memory corruption vulnerability, ensuring protection against arbitrary code execution and denial of service attacks.
Technical Intelligence & Operational Utilities • Delivered Weekly
Intelligence Sources
Official Advisoryhttp://www.securitytracker.com/id/1032894
MSRC Advisoryhttps://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-065
Official Advisoryhttp://www.securitytracker.com/id/1032894
MSRC Advisoryhttps://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-065
Official Advisoryhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2015-2419
Related Microsoft Threats
Data compiled from NVD, MSRC, and CISA KEV Catalog. Intelligence synthesized via AI. Scripts provided for diagnostic purposes under MIT License.