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 Remote Code Execution Vulnerability
- Added to catalog
- Remediation due date (US federal)
- Required action
- Apply updates per vendor instructions.
Description
A remote code execution vulnerability exists when Internet Explorer improperly accesses objects in memory, aka "Internet Explorer Memory Corruption Vulnerability." This CVE ID is unique from CVE-2017-0226.
Affected products
microsoft: internet explorer; microsoft: windows server 2008; microsoft: windows 10 1507; microsoft: windows 10 1511; microsoft: windows 10 1607; microsoft: windows 10 1703; microsoft: windows 7; microsoft: windows 8.1; microsoft: windows rt 8.1; microsoft: windows server 2012; microsoft: windows server 2016
References7
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-… PatchVendor Advisory
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-… PatchVendor Advisory
- www.securityfocus.com/bid/98127 Broken LinkThird Party AdvisoryVDB Entry
- www.securitytracker.com/id/1038423 Broken LinkThird Party AdvisoryVDB Entry
- www.securityfocus.com/bid/98127 Broken LinkThird Party AdvisoryVDB Entry
- www.securitytracker.com/id/1038423 Broken LinkThird Party AdvisoryVDB Entry
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=… US Government Resource
Metrics
- CVSS 3.1
-
8.8
HIGH
Score source: NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 30% percentile: 98 · as of 8 November 2026
- CWE
- CWE-787
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