CVE-2016-3351 — Microsoft Internet Explorer and Edge Information Disclosure Vulnerability
Overview
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.
Vulnerability details
- CVE ID
- CVE-2016-3351
- Vulnerability
- Microsoft Internet Explorer and Edge Information Disclosure Vulnerability
- Vendor
- Microsoft
- Affected products
- Microsoft: Internet Explorer and Edge
- Severity
- HIGH
- Exploitation status
- Actively exploited in the wild (CISA KEV)
- Published
- 2022-05-24
Remediation guidance
CVE-2016-3351 is in CISA's Known Exploited Vulnerabilities (KEV) catalog — U.S. federal civilian agencies are required to remediate it under Binding Operational Directive 22-01. Treat it as a priority for every environment.
Apply the vendor's official security update for Microsoft the affected product as soon as possible. Where a patch is unavailable, apply vendor mitigations or isolate/segment exposed systems.
Hunt for indicators of compromise tied to this vulnerability and confirm logging/EDR coverage on affected assets.
Authoritative references
Remediate CVE-2016-3351 — and stay ahead of the next one
CVE-2016-3351 is listed in the CISA KEV catalog as actively exploited — treat remediation as urgent. Scan your domain free to see whether CVE-2016-3351 and other Microsoft issues affect you and get a prioritized remediation report (full report from ₹999) — or stream the full feed of 1,600+ actively-exploited CVEs straight into your SOC.
📡 Get a free alert the moment a CVE like this lands in the KEV catalog → Join Sentinel APEX on Telegram