CVE Catalog
CVE-2026-83919
HighCVSS 7.8Exploitation Probability (EPSS)
Low risk0.25%
16th percentile - higher than 16% of all known CVEs
Summary
Heap-based buffer overflow in Microsoft Internet Messaging API allows an authorized attacker to execute code locally.
Risk Assessment
An attacker could execute arbitrary code in the user context, potentially leading to system takeover.
Recommendation
Apply the latest Windows security updates.
Other vulnerabilities in Microsoft Internet Messaging API
Original NVD description (English source)
Heap-based buffer overflow in Microsoft Internet Messaging API allows an authorized attacker to execute code locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS