# CVE-2026-41224: Intel Slim Bootloader out-of-bounds write privilege escalation

Source: https://junglewise.ai/threats/cve-2026-41224-out-of-bounds-write-in-the-uefi-firmware-for-the-intel-r-slim  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-11-10. Updated: 2026-11-10  
License: CC BY 4.0 with a link back

CVE-2026-41224 · Severity: info · Published 2026-11-10

Intel Slim Bootloader is low-level firmware that initializes processors during system startup. An out-of-bounds write vulnerability in this firmware could allow an attacker with physical access to escalate privileges and completely compromise system confidentiality, integrity, and availability. No user interaction or special knowledge is required to exploit this flaw.

Technologies: [Intel Processor N-series](https://junglewise.ai/threats/technologies/processor-n-series), [Intel Slim Bootloader](https://junglewise.ai/threats/technologies/slim-bootloader). Vendors: [Intel](https://junglewise.ai/threats/vendors/intel).

## Quick answers

**Is CVE-2026-41224 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-41224 being exploited in the wild.

**How severe is CVE-2026-41224?** Informational severity, published 10 November 2026.

**Which products and versions are affected?** Intel Celeron Processor Alder Lake; Intel Core Processor (12th Generation) Alder Lake; Intel Pentium Gold Processor Alder Lake; Intel Processor N-series Twin Lake.

**Is there a fix for CVE-2026-41224?** 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-2026-41224 attacked?** It is attacked with physical access, in device firmware.

**Am I affected by CVE-2026-41224?** Check whether you run Intel Celeron Processor, Intel Core Processor (12th Generation), Intel Pentium Gold Processor 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

Out-of-bounds write in the UEFI firmware startup code and SMM (System Management Mode) of Intel Slim Bootloader allows privilege escalation via physical access without authentication. The attack has low complexity and no user interaction requirements, affecting Ring 0 bare metal execution. An attacker gains full system control with high impact to confidentiality, integrity, and availability.

## Affected products

- Intel Slim Bootloader
- Intel Core Processor (12th Generation) Alder Lake
- Intel Pentium Gold Processor Alder Lake
- Intel Celeron Processor Alder Lake
- Intel Processor N-series Twin Lake

## Timeline

- 2026-11-10: disclosed

## References

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

## Related threats

- [Intel Slim Bootloader pointer dereference in FirmwareWakingVector](https://junglewise.ai/threats/cve-2026-50175-untrusted-pointer-dereference-in-the-firmwarewakingvector-for-the)
- [Intel Slim Bootloader Ext2 parser incorrect comparison](https://junglewise.ai/threats/cve-2026-44624-incorrect-comparison-in-the-ext2-parser-for-the-intel-r-slim)
- [Intel Slim Bootloader integer overflow in UEFI firmware](https://junglewise.ai/threats/cve-2026-41221-integer-overflow-in-the-uefi-firmware-for-the-intel-r-slim)
- [Intel Slim Bootloader stack buffer overflow in Ring 0](https://junglewise.ai/threats/cve-2026-35500-stack-based-buffer-overflow-in-the-uefi-firmware-for-the-intel-r)
- [Intel Slim Bootloader out-of-bounds read in AuthenticateComponent](https://junglewise.ai/threats/cve-2026-28746-out-of-bounds-read-in-the-authenticatecomponent-for-the-intel-r)