src_cd638cf167c7c119d6
- Source-provided label
- Not reported
- Evidence class
- mentioned in report
- Confidence
- Not reported
- Observed
- Sep 22, 2026 18:13 UTC
- Retrieved
- Oct 08, 2026 03:42 UTC
VU#738147: Vendor-signed UEFI Shell applications allow Secure Boot bypass
Overview Vendor-signed UEFI Shell applications may allow an attacker to bypass Secure Boot protections by abusing commands such as mm (Memory Modify). On systems that trust the affected vendor’s certificate or include the application’s Authenticode hash in the UEFI Authorized Signature Database (DB), an attacker with sufficient access could use the application’s direct memory-access capabilities t
Reference details
- Source category
- Government
- Report title
VU#738147: Vendor-signed UEFI Shell applications allow Secure Boot bypass- First reported
- Sep 22, 2026 18:13 UTC
- Last reported
- Sep 22, 2026 18:13 UTC
- Catalog updated
- Oct 08, 2026 03:42 UTC
- Record ID
466bb0814b073bead381ec6c159f1f46e2c3f04d0157f85dab28cd619f3e77a9
Published indicators
Network indicators are visibly defanged. This page does not make them clickable or send them to another service.
No validated file hashes or network indicators are stored for this record.
Source observations
This record contains metadata and attribution only. It does not host, download, unpack, render, or execute malware samples.
Feed collection status
Sources represented on this page. Publication and observation dates describe the content; successful batch dates describe local collection. A recent batch does not certify complete coverage or current provider availability.
1 sources: 0 stale, 0 needing attention, 0 paused, 1 unverified.
Review source update dates and status
- src_cd638cf167c7c119d6Collection status unverifiedLast successful batch: Unverified
Stale means older than twice the recorded collection interval, with a minimum of one hour; without an interval, the threshold is 24 hours. Cached content remains available while a feed is stale, paused, or unverified.