CISA KEV catalog
Confirmed active exploitation.
Listed in CISA's catalog of Known Exploited Vulnerabilities: attackers are using it in real attacks. Patch it with priority.
- Name
- Microsoft Internet Explorer Memory Corruption Vulnerability
- Added to catalog
- Remediation due date (US federal)
- Required action
- Apply updates per vendor instructions.
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.
Affected products
microsoft: jscript; microsoft: vbscript; microsoft: windows server 2008; microsoft: windows vista; microsoft: internet explorer; microsoft: windows server 2012; microsoft: windows 10 1507; microsoft: windows 10 1511; microsoft: windows 7; microsoft: windows 8.1; microsoft: windows rt 8.1
References10
- docs.microsoft.com/en-us/security-updates/securitybulletins/201… PatchVendor Advisory
- docs.microsoft.com/en-us/security-updates/securitybulletins/201… PatchVendor Advisory
- docs.microsoft.com/en-us/security-updates/securitybulletins/201… PatchVendor Advisory
- docs.microsoft.com/en-us/security-updates/securitybulletins/201… PatchVendor Advisory
- www.virusbulletin.com/virusbulletin/2017/01/journey-and-evoluti… ExploitThird Party Advisory
- www.virusbulletin.com/virusbulletin/2017/01/journey-and-evoluti… ExploitThird Party Advisory
- www.securityfocus.com/bid/90012 Broken LinkThird Party AdvisoryVDB Entry
- www.securitytracker.com/id/1035820 Broken LinkThird Party AdvisoryVDB Entry
- www.exploit-db.com/exploits/40118/ Third Party AdvisoryVDB Entry
- www.securityfocus.com/bid/90012 Broken LinkThird Party AdvisoryVDB Entry
Metrics
- CVSS 3.1
-
7.5
HIGH
Score source: NVD
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 94% percentile: 100 · as of 8 November 2026
- CWE
- CWE-787
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