CVE-2026-20753
Last updated May 12, 2026 · Published May 12, 2026
Description
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 potentially occur via local access when attack requirements are 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.
Affected products
4 listed- 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 potentially occur via local access when attack requirements are 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.
Mappings
CWE
CAPEC
None listed.
CVE® content © MITRE Corporation. Licensed under the CVE Terms of Use. Terms