Security readout for executives and security teams
CVE-2016-3351 is a Microsoft browser information disclosure issue. A remote attacker could use a crafted website to obtain sensitive information from users of Internet Explorer 9 through 11 or Microsoft Edge. User interaction is required, but CISA KEV status makes legacy exposure more urgent than the medium CVSS label suggests. Organizations are most likely exposed where legacy Internet Explorer 9-11 or affected Microsoft Edge versions remain usable, especially on systems that have not received the 2016 Microsoft browser security updates. Treat this as a high-priority legacy browser cleanup item. The vulnerability targets confidentiality, requires a user to visit malicious content, and is KEV-listed, so unmanaged old browsers create avoidable business risk. Mitigation focus: Review Microsoft MS16-104 and MS16-105 for applicable security updates.; Patch or retire affected Internet Explorer and Microsoft Edge installations.; Restrict use of legacy browsers where business processes still depend on them..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CVE-2016-3351 mapping review
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Open ATT&CK lookup- Severity
- Medium
- CVSS
- 6.5 (3.1)
- Known Exploited
- Yes
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CISA KEV status
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N2.83.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.5MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.brokenbrowser.com/detecting-apps-mimetype-malware/CVE reference · x_refsource_MISC
- MS16-104CVE reference · vendor-advisory, x_refsource_MS
- MS16-105CVE reference · vendor-advisory, x_refsource_MS
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-3351CVE reference · government-resource
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.