CVE-2026-41221
Quick assessment
Affected
n/a Intel(R) Slim Bootloader
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.
英特尔（Intel）Slim Bootloader 的 UEFI 固件在 Ring 0（裸机操作系统）环境中存在整数溢出漏洞，可能导致权限提升。若攻击者具备物理访问权限，结合启动代码与系统管理模式（SMM）中的恶意行为，即使无需特殊内部知识、无需用户交互且攻击复杂度较低，未授权用户也可能利用该漏洞实现权限提升。该漏洞可能对受影响系统的机密性（高）、完整性（高）和可用性（高）造成严重影响，并进一步引发后续系统在机密性、完整性和可用性方面的同等严重程度影响。
Affected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| n/a | Intel(R) Slim Bootloader | See references |
affected |
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I. Basic Information for CVE-2026-41221
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Integer overflow in the UEFI firmware for the Intel(R) Slim Bootloader within Ring 0: Bare Metal OS may allow an escalation of privilege. Startup code and smm adversary with an unauthenticated user combined with a low complexity attack may enable escalation of privilege. This result may potentially occur via physical access when attack requirements are not present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (high), integrity (high) and availability (high) of the vulnerable system, resulting in subsequent system confidentiality (high), integrity (high) and availability (high) impacts.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
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) Slim Bootloader | See references | - |
|
II. Public POCs for CVE-2026-41221
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-41221 (1)
Same Patch Batch · n/a · 2026-11-10 · 103 CVEs total
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| CVE-2026-41224 | 8.6 HIGH | Intel Slim Bootloader UEFI 越界写导致提权 |
| CVE-2026-35500 | 8.6 HIGH | Intel Slim Bootloader UEFI 栈缓冲区溢出漏洞 |
| CVE-2026-32670 | 8.5 HIGH | Intel VTune Profiler Ring 1 竞态条件提权漏洞 |
| CVE-2026-32667 | 8.5 HIGH | Intel VTune Profiler 越界写入提权漏洞 |
| CVE-2026-40433 | 8.5 HIGH | Intel PROSet 无线软件堆栈缓冲区溢出致拒绝服务 |
| CVE-2026-34016 | 8.5 HIGH | Intel VTune 2026.0.0 前版本竞态条件提权漏洞 |
| CVE-2026-62929 | 8.4 HIGH | Intel TDX MigTD virtio-vsock 越界指针解引用漏洞 |
| CVE-2026-60138 | 8.4 HIGH | Intel TDX MigTD virtio-vsock 越界指针提权漏洞 |
| CVE-2026-60142 | 8.4 HIGH | Intel TDX MigTD 存在任意写漏洞，可提权并泄露信息。 |
| CVE-2026-50175 | 8.4 HIGH | Intel Slim Bootloader 存在本地提权漏洞 |
| CVE-2026-50109 | 8.3 HIGH | Intel PCM 越界写漏洞导致拒绝服务 |
| CVE-2026-56432 | 8.2 HIGH | Intel TDX 迁移信任域混淆代理提权漏洞 |
Showing top 20 of 103 CVEs. View all on vendor page → →