CVE-2026-78523
NVD data not available for this CVE. It may be pending analysis or not yet published.
Related Intelligence (2)
CRITICALRansomware
Patch Tuesday - September 2026
Microsoft is publishing 974 own-product vulnerabilities on September 2026 Patch Tuesday , including 723 vulnerabilities in Windows. Along with Microsoft fixes for 25 non-Microsoft CVEs, that brings the total number of vulnerabilities on the table today to 999. Whether this is the biggest Patch Tuesday ever depends on how we count, but this is by far the most CVEs that Microsoft has ever published
CVE-2026-85880CVE-2026-81963
Rapid7
HIGHVulnerability
NVD HIGH: CVE-2026-78523 — Use after free in Windows DNS allows an unauthorized attacker to deny service ov...
Use after free in Windows DNS allows an unauthorized attacker to deny service over a network.
CVE-2026-78523
NIST NVD