CVE-2026-15899

Exploited in Wild
NVD data not available for this CVE. It may be pending analysis or not yet published.

Related Intelligence (1)

HIGHAptExploited

APT28 Compromises European Defense Contractor via Outlook Zero-Day

APT28 exploits Outlook NTLM relay zero-day to compromise a major European defense contractor. Classified project data at risk.

CVE-2026-15899Microsoft Outlook
ANSSI / Microsoft Threat Intelligence