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CVE-2016-3351

Microsoft Internet Explorer and Edge Information Disclosure

6.5 MEDIUMActively exploited (CISA KEV)Used in ransomwarePublic exploitEPSS 26.5%
  1. Published14 Sept 2016
  2. Added to CISA KEV24 May 2022
  3. Remediation due14 Jun 2022
Actively exploited (CISA KEV)

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.

Added to KEV: 24 May 2022Federal remediation due: 14 Jun 2022Used in ransomware

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."

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionRequired
ScopeUnchanged
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Affected products

Microsoft Edgeall versions
Microsoft Internet Explorer10 · 11 · 9

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

Frequently asked

Is CVE-2016-3351 being actively exploited?

Yes. CVE-2016-3351 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 24 May 2022. It has been used in ransomware campaigns.

How severe is CVE-2016-3351?

CVE-2016-3351 has a CVSS 3.1 base score of 6.5, rated medium. EPSS estimates a 26.5% probability of exploitation.

Which products are affected by CVE-2016-3351?

Affected products include Microsoft Edge, Microsoft Internet Explorer.

How do I fix CVE-2016-3351?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2016-3351 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, Secuno flags any affected asset as top-priority automatically. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

See how prioritisation worksBook a demo

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.