CVE-2026-83778

LOWCVSS 8.8 · HIGH

Immediate actions

Recommended action window: Monitor and triage in normal cycle

NVD description

Heap-based buffer overflow in Microsoft Internet Messaging API allows an unauthorized attacker to execute code over a network.

0.0/ 10 priority

Other references

Weakness type (CWE)

CWE-122

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Full discourse1 post

VulniPulse@vulnipulse15h
CVE advisory: CVE-2026-83778 - microsoft: Microsoft Internet Messaging API Remote Code Execution Vulnerability. https://vulnipulse.com/advisories/microsoft-cve-2026-83778 #CVE #CyberSecurity #Microsoft #WindowsServer
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