Integer overflow in Intel(r) Slim Bootloader May Allow An Information Disclosure. System Software Adversary With Authenticated User Combined A Low Complexity Attack Enable Denial Of Service. This Result Potentially Occur Via Local Access When Requirements Are Not Present Without Special Internal Knowledge And Requires Active Interaction. The Potential Vulnerability Impact Confidentiality (Low), Integrity (None) Availability (Low) Vulnerable System, Resulting In Subsequent Impacts.

CVE-2026-28729

Integer overflow in the UEFI firmware for the Intel(R) Slim Bootloader may allow an information disclosure. System software adversary with an authenticated 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 active user interaction. The potential vulnerability may impact the confidentiality (low), integrity (none) and availability (low) of the vulnerable system, resulting in subsequent system confidentiality (low), integrity (none) and availability (low) impacts.

Vulnerability class: Integer Overflow

Published · last modified .

EPSS exploit prediction

EPSS: 0.002 (3.5th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 3.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-28729: held from 0.001 to 0.002.

EPSS over last 30 days · oldest: 0.001 · newest: 0.002 · change: +0.000

Affected products

  • Intel(r) Slim Bootloader May Allow An Information Disclosure. System Software Adversary With Authenticated User Combined A Low Complexity Attack Enable Denial Of Service. This Result Potentially Occur Via Local Access When Requirements Are Not Present Without Special Internal Knowledge And Requires Active Interaction. The Potential Vulnerability Impact Confidentiality (Low), Integrity (None) Availability (Low) Vulnerable System, Resulting In Subsequent Impacts. — versions See references

Weakness classification (CWE)

References