Intel Server Board D50DNP/Intel Server Board M50FCP UEFI Startup Code CheckUefiVgaMode out-of-bounds

Summaryinfo

A vulnerability categorized as problematic has been discovered in Intel Server Board D50DNP and Intel Server Board M50FCP. Affected is the function CheckUefiVgaMode of the component UEFI Startup Code. The manipulation results in out-of-bounds. This vulnerability was named CVE-2026-55716. The attack needs to be approached locally. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Intel Server Board D50DNP and Intel Server Board M50FCP (affected version unknown). Affected is the function CheckUefiVgaMode of the component UEFI Startup Code. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality. CVE summarizes:

Out-of-bounds read in the CheckUefiVgaMode 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.

The advisory is available at intel.com. This vulnerability is traded as CVE-2026-55716 since 06/30/2026. The exploitability is told to be easy. Local access is required to approach this attack. Additional levels of successful authentication are necessary for exploitation. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 11/10/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Forum Software

Vendor

• Intel

Name

• Intel Server Board M50FCP
• Server Board D50DNP

License

• commercial

Website

• Vendor: https://www.intel.com/

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Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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