CVE-2016-3351
KEVRansomware UseMicrosoft Internet Explorer and Edge Information Disclosure Vulnerability
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.
Microsoft Internet Explorer 9 through 11 and Microsoft Edge allow remote attackers to obtain sensitive information via a crafted web site, aka "Microsoft Browser Information Disclosure Vulnerability."
CVSS 3.1 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:NPublishedSep 14, 2016
Last modifiedAug 14, 2026
Added to KEVMay 24, 2022
Remediation dueJun 14, 2022
References
- securityfocus.com/bid/92788Broken LinkThird Party Advisory
- securitytracker.com/id/1036788Broken LinkThird Party Advisory
- securitytracker.com/id/1036789Broken LinkThird Party Advisory
- docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-104PatchVendor Advisory
- docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-105PatchVendor Advisory
- brokenbrowser.com/detecting-apps-mimetype-malware/Exploit
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-3351US Government Resource
0 recent articles mention this CVE
75
Risk assessment · High
Actively exploited and used by ransomware crews. Patch immediately.
- Exploitation
- Confirmed in the wild (CISA KEV)
- Federal remediation deadline
- Overdue by 1596 days
- Ransomware
- Used in known ransomware campaigns
- CVSS
- 6.5 MEDIUM
- EPSS (30-day exploit probability)
- 26.5% · top 2% of all CVEs
- Weakness
- NVD-CWE-noinfo
- Attack vector
- Network, remotely reachable
Recommended actions
- 1.Apply updates per vendor instructions.
- 2.Treat as emergency change: patch or isolate internet-facing instances first.
- 3.Review exposure: confirm which instances are reachable from the internet and restrict access until patched.
- 4.Hunt for compromise: review logs for the disclosure window, not just from the patch date.
- 5.Verify offline/immutable backups and segment the affected systems. This flaw is used for ransomware initial access.
Assessment is derived automatically from the live signals above; verify against your own asset inventory.