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CVE-2026-882439.8Critical

CVE-2026-88243: Windows DHCP Server Remote Code Execution Vulnerability

Microsoft · Windows Server 2016

Vendor fix available · Affected: Microsoft Windows Server 2016 · Exploitation: not established

ExploitationNot established

Not in CISA KEV as of catalogue 2026.11.10 (10 Nov)

  1. In CISA KEV: not seen
  2. Exploited (reported): not seen
  3. Scanning observed: not seen
  4. Proof of concept public: not seen
  5. Not establishedNothing in the sources we check

No EPSS score yet. The score appears once FIRST publishes it.

9.8CriticalCVSS
LowCrit.

DescriptionNVD

Out-of-bounds read in Windows DHCP Server allows an unauthorized attacker to execute code over a network.

Coverage1 article · 1 outlet

First in our coverage: SecurityOnline, 11 Nov.

  1. Microsoft patches five critical Windows flaws rated CVSS 9.8
    SecurityOnline · first in our coverage · mentions it in passing

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References

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