01 Record
CVE-2026-21379
Buffer Over-read in Windows Compute
HighPUBLISHEDCNA: qualcomm
CNA base score7.8 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
02 Description
Buffer Over-read in Windows Compute
03 Exploitation and scoring
- 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 ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 0.10% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 1.0% of scored records. A rank, not a probability.
- NVD base score
- 7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-10-25.
- 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.
04 Metadata
- Published
- 2026-07-06 20:09Z3 MO AGO
- Last updated
- 2026-07-07 03:56Z3 MO AGO
- Reserved
- 2025-12-17
- Assigning CNA
- qualcomm
- Record state
- PUBLISHED
- Severity
- High (CVSS 7.8)
- CNA CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-126Buffer Over-readVariant
- Data version
- 5.2
- Document digest
- b74a2a9c71d74b4ab8e1011e3da0d64be8e116acbd60270b9bf2a69a8cff711f
05 Affected products
VendorProductVersionsPlatforms
Qualcomm, Inc.SnapdragonAQT1000, Cologne, FastConnect 6200, FastConnect 6700, FastConnect 6800, FastConnect 6900, FastConnect 7800, IQX5121, IQX7181, QCA0000, QCA6391, QCA6420, QCA6430, QCM5430, QCM6490, Qualcomm Video Collaboration VC3 Platform, SC8380XP, Snapdragon 7c+ Gen 3 Compute, Snapdragon 8c Compute Platform "Poipu Lite", Snapdragon 8c Compute Platform (SC8180XP-AD) "Poipu Lite", Snapdragon 8cx Compute Platform, Snapdragon 8cx Compute Platform "Poipu Pro", Snapdragon 8cx Gen 2 5G Compute Platform, Snapdragon 8cx Gen 2 5G Compute Platform "Poipu Pro", Snapdragon 8cx Gen 3 Compute Platform, WCD9340, WCD9341, WCD9370, WCD9375, WCD9378C, WCD9380, WCD9385, WSA8810, WSA8815, WSA8830, WSA8835, WSA8840, WSA8845, WSA8845H, X2000077, X2000086, X2000090, X2000092, X2000094, XG101002, XG101032, XG101039Snapdragon Compute, Snapdragon Industrial IOT