Microsoft Internet Explorer Memory Corruption Vulnerability

[ Why it matters ]Priority signals

• Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2022-03-28
• Known to be used in ransomware campaigns
• EPSS: 94% chance of exploitation in the next 30 days (higher than 100% of CVEs)

[ Description ]Official description

The Microsoft (1) JScript 5.8 and (2) VBScript 5.7 and 5.8 engines, as used in Internet Explorer 9 through 11 and other products, allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Scripting Engine Memory Corruption Vulnerability," a different vulnerability than CVE-2016-0187.

CISA: The Microsoft JScript nd VBScript engines, as used in Internet Explorer and other products, allow attackers to execute remote code or cause a denial of service (memory corruption) via a crafted web site.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 18 Apr 2022): Apply updates per vendor instructions.

• Patch on docs.microsoft.comVendor patch or bulletin · NVD · Reference tagged 'Patch' by NVD
• Patch on docs.microsoft.comVendor patch or bulletin · NVD · Reference tagged 'Patch' by NVD

[ References ]References

• www.securityfocus.com/bid/90012Broken LinkThird Party AdvisoryVDB Entry
• www.securitytracker.com/id/1035820Broken LinkThird Party AdvisoryVDB Entry
• docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-051PatchVendor Advisory
• docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-053PatchVendor Advisory
• www.exploit-db.com/exploits/40118Third Party AdvisoryVDB Entry
• www.virusbulletin.com/virusbulletin/2017/01/journey-and-evolution-god-mode-2016-cve-201…ExploitThird Party Advisory
• www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource