Is It On KEV?

Microsoft Internet Explorer and Edge

YES - ON THE CISA KEV LIST
CVE-2016-3351

Microsoft Internet Explorer and Edge Information Disclosure Vulnerability

CISA catalog due date2022-06-14
overdue since 2022-06-14
EPSS exploit probability (next 30 days)26.5% · 98percentile
From CVE publication to KEV listing2078 days (2016-09-14 → 2022-05-24)
Remediation window (KEV listing to due date)21 days
Days on the KEV list1632 days
Date added to KEV2022-05-24
Known ransomware campaign useKnown
VendorMicrosoft
ProductInternet Explorer and Edge
Weaknesses (CWE)CWE-200

Microsoft: 391 entries (22.0% of all KEV entries are from this vendor); 41 added in 2026.

BOD 26-04 note: this is the date printed in the CISA catalog. A federal agency's actual deadline is set by its SSVC tier - Act (3 days), Attend (14 days), Track (60 days), or the next scheduled upgrade - counted from the KEV listing date or the date the vulnerability is identified in its environment, whichever comes first. Use the tier helper on each CVE page for your own window.

Your BOD 26-04 window (SSVC tier helper)

Your remediation window ends:

Description

An information disclosure vulnerability exists in the way that certain functions in Internet Explorer and Edge handle objects in memory. The vulnerability could allow an attacker to detect specific files on the user's computer.

Required action (CISA)

Apply updates per vendor instructions.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2016-3351

References

Other KEV entries for this vendor: Microsoft

Microsoft - Vendors with KEV entries

Go deeper

KEV deadlines are a governance problem as much as a patching one. TrebSec's AI governance packs help small teams document, assign, and evidence exactly this work.

AI Governance Policy Pack - $79 AI Vendor Workbook - $49 Both packs bundled - $99

Daily threat briefs at trebsec.com

Check another CVE