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Intel Server Board D50DNP and M50FCP: Out-of-bounds read in UEFI firmware

CVE-2026-50249Medium 5.6

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Summary

An out-of-bounds read in the GenerationSetup component of the UEFI firmware on Intel Server Board D50DNP and M50FCP may allow information disclosure. An attacker needs local access with high privileges (privileged user or startup code/SMM adversary) and a high-complexity precondition. The impact is limited to confidentiality of the affected system; integrity and availability are not affected. Intel's advisory states that updates are available, but Intel's download pages say no further updates will be provided for these board families after October 15, 2026.

Affected

  • Intel Server Board D50DNP UEFI firmware before R01.02.0006
  • Intel Server Board M50FCP UEFI firmware before R01.02.0006

Fixed in

  • Update to UEFI firmware R01.02.0006 or later, as recommended by Intel (per INTEL-SA-01554)
  • Note: Intel's download pages state that no further updates will be provided for these families after October 15, 2026. Verify the fix status against the advisory.

Workaround

  • Unknown. Intel has not published a workaround in the sources reviewed.
  • Restrict privileged local access to the boards, including admin and BMC/Redfish credentials.
  • Keep physical access controlled and management interfaces on an isolated network.

Exploitation

  • No evidence of exploitation in the wild found.
  • No public proof-of-concept exploit indexed.
  • CISA KEV status not verified against a primary source.

Our recommendation

  • Check your asset inventory for Intel Server Board D50DNP or M50FCP.
  • If affected boards are in use, update the UEFI firmware to R01.02.0006 or later where available, after verifying against the Intel advisory.
  • For boards that will no longer receive firmware updates, plan replacement and restrict privileged local access in the meantime.
  • Monitor the Intel advisory page for changes.

Public exploits

PoC-in-GitHub, Metasploit and Exploit-DB list nothing for this CVE.

Research sources

Researched and written up in English and German by an AI (Claude by Anthropic) based on NVD, CISA, EPSS and the sources listed. The vendor information is authoritative. Researched on 11 Nov 2026, 16:05.

Original description (NVD)

Out-of-bounds read in the GenerationSetup for the Intel(R) Server Board D50DNP and Intel(R) Server Board M50FCP within Ring 0 UEFI may allow an information disclosure. Startup code and smm adversary with a privileged user combined with a high complexity attack may enable data exposure. This result may potentially occur via local access when attack requirements are present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (high), integrity (none) and availability (none) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts.

NVD references (1)

Sources

The tracker combines official, freely usable data sources – updated continuously:

This product uses data from the NVD API but is not endorsed or certified by the NVD. EPSS data © FIRST.org.

Affected? We can help.

We check whether your systems are affected, install updates and close the gap – continuously with the System Health Checker if you wish.