Integer overflow in Slim Bootloader May Allow An Escalation Of Privilege. System Software Adversary With A Privileged User Combined Low Complexity Attack Enable Local Code Execution. This Result Potentially Occur Via Access When Requirements Are Present Without Special Internal Knowledge And Requires No Interaction. The Potential Vulnerability Impact Confidentiality (High), Integrity (High) Availability Vulnerable System, Resulting In Subsequent Impacts.

CVE-2026-20753

Integer overflow in the UEFI firmware for the Slim Bootloader may allow an escalation of privilege. System software adversary with a privileged user combined with a low complexity attack may enable local code execution. This result may pot…

Vulnerability class: Integer Overflow

EPSS: 0.000 (5.7th percentile) — read the EPSS interpretation.

Affected products

  • N/a Slim Bootloader May Allow An Escalation Of Privilege. System Software Adversary With A Privileged User Combined Low Complexity Attack Enable Local Code Execution. This Result Potentially Occur Via Access When Requirements Are Present Without Special Internal Knowledge And Requires No Interaction. The Potential Vulnerability Impact Confidentiality (High), Integrity (High) Availability Vulnerable System, Resulting In Subsequent Impacts. — versions See references

Weakness classification (CWE)

References