CVE-2016-3351
Actively exploited. CVE-2016-3351 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-05-24) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
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.
CSIRTS triage
- What
- Certain functions in Internet Explorer and Edge improperly handle objects in memory, allowing information disclosure.
- Who is affected
- Users of Microsoft Internet Explorer and Edge.
- Urgency
- Immediate action is required due to active exploitation and critical severity.
- Action
- Update to the latest versions of Internet Explorer and Edge.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 98% of all EPSS-scored CVEs.
Advisory coverage (1)
- criticalexploitedCVE-2016-3351: Microsoft Internet Explorer and Edge Information Disclosure Vulnerabilitycisa-kev · 2022-05-24
External references
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