02 Records
FEED: ACQUIRING
01 RecordSTATE: PUBLISHED
02 Description
CNA: zephyrCross-thread FPU register leak on ARM when FPU enabled without register sharing
03 Exploitation and scoring
SRC: CISA, FIRST, NVD, RED HAT- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.- EPSS probability
- 0.09% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Ranks above 0.6% of scored records. A rank, not a probability.
- NVD base score
- 3.6 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
- NVD analysis status
- Awaiting Analysis. NVD last modified this record on 2026-09-01.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
SCHEMA: 5.2
- Published
- 2026-08-11 04:56Z24 DAYS AGO
- Last updated
- 2026-08-31 23:13Z3 DAYS AGO
- Reserved
- 2026-06-11
- Assigning CNA
- zephyr
- Record state
- PUBLISHED
- Severity
- Low (CVSS 3.6)
- CNA CVSS vector
- CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
- Weaknesses
- CWE-200Exposure of Sensitive Information to an Unauthorized ActorClass
- Data version
- 5.2
- Document digest
- b7aea3601620b5f103b6162b3d97d7385ddcc90819586ab630cef5809c170d7c
05 Affected products
PAIRS: 1VendorProductVersionsPlatforms
zephyrprojectzephyr1.13.0 to < 4.4.2—