CVE-2019-0676
Published: May 23, 2022
Official Description
An information disclosure vulnerability exists when Internet Explorer improperly handles objects in memory. An attacker who successfully exploited this vulnerability could test for the presence of files on disk.
CISA KEV Advisory
Microsoft Internet Explorer Information Disclosure Vulnerability
An information disclosure vulnerability exists when Internet Explorer improperly handles objects in memory. An attacker who successfully exploited this vulnerability could test for the presence of files on disk.
Apply updates per vendor instructions.
Risk Analysis
An information disclosure vulnerability in Internet Explorer allows an attacker to test for the presence of files on disk due to improper handling of objects in memory. The high EPSS score and confirmed exploitation by CISA highlight the urgency of addressing this vulnerability. This flaw is rated as HIGH severity.
This vulnerability is actively being exploited in the wild. It is remotely exploitable through crafted web content.
Users of Internet Explorer should update to the latest available version or consider using a modern, supported browser. Implement strong security configurations to limit information disclosure.
Technical Analysis
CVE-2019-0676 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CISA has added CVE-2019-0676 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.
Exploit & PoC Resources
All References (1)
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2019-0676 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
- !CISA KEV: Federal agencies must patch per BOD 22-01 timeline
- !Active exploitation confirmed — treat as P1