Quick answers
- Is CVE-2026-28746 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-28746 being exploited in the wild.
- How severe is CVE-2026-28746?
- Informational severity, published 10 November 2026.
- Which products and versions are affected?
- Intel Slim Bootloader Versions for 12th Generation Core, Pentium Gold, Celeron, Processor N-series (affected code names: Alder Lake, Arizona Beach, Amston Lake, Twin Lake).
- Is there a fix for CVE-2026-28746?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-28746 attacked?
- It is attacked with local access, in device firmware.
- Am I affected by CVE-2026-28746?
- Check whether you run Intel 12th Generation Core Processor, Intel Celeron Processor Family, Intel Pentium Gold Processor Family or one of the others listed at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
An out-of-bounds read in the AuthenticateComponent of Intel Slim Bootloader running in Ring 0 (bare metal execution context) allows a local attacker with high privileges to cause a denial of service. The vulnerability requires local access and elevated privileges but no special user interaction or attack complexity. Exploitation results in system unavailability.
Affected products
- Intel Slim Bootloader Versions for 12th Generation Core, Pentium Gold, Celeron, Processor N-series (affected code names: Alder Lake, Arizona Beach, Amston Lake, Twin Lake)
- Intel 12th Generation Core Processor
- Intel Pentium Gold Processor Family
- Intel Celeron Processor Family
- Intel Processor N-series
Timeline
- 2026-11-10: disclosed