CVE-2016-3351
Microsoft Internet Explorer and Edge Information Disclosure Vulnerability
- Medium 6.5
- Exploited: added to CISA KEV 24 May 2022
- Used in ransomware campaigns
Description
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."
Key facts
- Published
- 14 Sep 2016
- Last changed
- 14 Aug 2026
- Assigned by
- microsoft
- KEV added
- 24 May 2022
- KEV fix due
- 14 Jun 2022
- Used in ransomware
- Yes, according to CISA
- EPSS
- 26.483% likely to be exploited in the next 30 days, higher than 98.041% of CVEs (scores for 15 Nov 2026)
- SSVC (CISA)
- Exploitation: active; Automatable: no; Technical impact: partial
Severity scores
Each score is shown as its source gave it. They are not averaged or merged.
- 6.5CVSS 3.1, Mediumfrom CISA (ADP container)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
What to do
- Apply updates per vendor instructions.CISA KEV required action
Historical context and remediation
This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.
No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.
Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.
Affected products
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a |
|
Timeline
- 14 Sep 2016 Published
- 24 May 2022 CVE-2016-3351 added to CISA KEV
- 24 May 2022 Added to the CISA KEV catalogue