CVE-2026-55716
Quick assessment
Affected
n/a Intel(R) Server Board D50DNP and Intel(R) Server Board M50FCP
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
在 Intel® 服务器主板 D50DNP 和 M50FCP 的 Ring 0 UEFI 环境中，CheckUefiVgaMode 函数存在越界读取漏洞，可能导致信息泄露。若攻击者具备启动代码权限或系统管理模式（SMM）访问能力，并结合高复杂度的攻击手段，可能引发数据暴露。该漏洞可在本地访问条件下触发，无需特殊内部知识，且不需要用户交互。此潜在漏洞可能对受影响系统的机密性造成高影响，而对完整性和可用性无影响；同时，后续可能引发的系统机密性、完整性和可用性影响均为无。
Affected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| n/a | Intel(R) Server Board D50DNP and Intel(R) Server Board M50FCP | See references |
affected |
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I. Basic Information for CVE-2026-55716
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | Intel(R) Server Board D50DNP and Intel(R) Server Board M50FCP | See references | - |
|
II. Public POCs for CVE-2026-55716
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2026-55716 (1)
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