CVE-2026-56159
NVD data not available for this CVE. It may be pending analysis or not yet published.
Related Intelligence (2)
CRITICALZero Day
Patch Tuesday - July 2026
Microsoft is publishing 622 vulnerabilities on July 2026 Patch Tuesday , including a record-breaking 416 Windows vulnerabilities. Microsoft is aware of exploitation in the wild for two of the vulnerabilities published today, both of which are listed on CISA KEV, as well as public disclosure for one other. As usual, browser vulns are not included in the Patch Tuesday count above. Rapid7 noted last
CVE-2026-55040CVE-2026-56164
Rapid7
CRITICALVulnerability
NVD CRITICAL: CVE-2026-56159 — Heap-based buffer overflow in Windows DHCP Server allows an unauthorized attacke...
Heap-based buffer overflow in Windows DHCP Server allows an unauthorized attacker to execute code over a network.
CVE-2026-56159
NIST NVD