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 Information Disclosure Vulnerability
- Added to catalog
- Remediation due date (US federal)
- Required action
- Apply updates per vendor instructions.
Description
Microsoft Internet Explorer 9 through 11 allows remote attackers to determine the existence of files via crafted JavaScript code, aka "Internet Explorer Information Disclosure Vulnerability."
Affected products
microsoft: internet explorer; microsoft: windows server 2008; microsoft: windows vista; microsoft: windows server 2012; microsoft: windows 10 1507; microsoft: windows 10 1511; microsoft: windows 7; microsoft: windows 8.1; microsoft: windows rt 8.1
References7
- docs.microsoft.com/en-us/security-updates/securitybulletins/201… PatchVendor Advisory
- docs.microsoft.com/en-us/security-updates/securitybulletins/201… PatchVendor Advisory
- www.securityfocus.com/bid/85939 Broken LinkThird Party AdvisoryVDB Entry
- www.securitytracker.com/id/1035521 Broken LinkThird Party AdvisoryVDB Entry
- www.securityfocus.com/bid/85939 Broken LinkThird Party AdvisoryVDB Entry
- www.securitytracker.com/id/1035521 Broken LinkThird Party AdvisoryVDB Entry
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=… US Government Resource
Metrics
- CVSS 3.1
-
4.3
MEDIUM
Score source: NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N - EPSS — exploit probability
- 22% percentile: 98 · as of 8 November 2026
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