# CVE-2026-28746: CVE-2026-28746

Status: published. Published: 2026-11-10. Updated: 2026-11-12.

Out-of-bounds read in the AuthenticateComponent for the Intel(R) Slim Bootloader within Ring 0: Bare Metal OS may allow a denial of service. System software adversary with a privileged user combined with a low complexity attack may enable denial of service. This result may potentially occur via local access when attack requirements are not present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (none), integrity (none) and availability (high) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- n/a / Intel(R) Slim Bootloader: See references (affected). Source: CNA: intel

## Severity and prioritization

- CVSS 4.0: 6.7 (medium); CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N; source: CNA: intel

- CVSS 4.0: 6.7 (medium); CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X; source: NVD: secure@intel.com

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: exploitation none; automatable no; technical impact partial; source ADP: CISA-ADP

- Weaknesses: CWE-125

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01526.html (CNA: intel)

- https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01526.html (secure@intel.com)

## Provenance

- CNA: intel: https://www.cve.org/CVERecord?id=CVE-2026-28746; retrieved 2026-11-12; source updated 2026-11-12

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-28746; retrieved 2026-11-11; source updated 2026-11-10

Revision: 68808a211817b484031719f753bbdaa3bfd81a001a2b39372672b341bd6b738f

Canonical: https://y2.dev/cve/CVE-2026-28746

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