Answer in brief
CVE-2026-21379 records a High severity (CVSS 7.8) vulnerability in Buffer Over-read in Windows Compute. The current sources do not mark it as known exploited. The current feed maps Qualcomm, Inc./Snapdragon (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 7.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Qualcomm, Inc./Snapdragon (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Qualcomm, Inc./Snapdragongeneric | AQT1000 || 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 || XG101039 | Not reported |
Published upstream
Jul 6, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jul 7, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jul 6, 2026
Memory Corruption when allocating memory with sizes that exceed the maximum allowed value.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2026-21379 records a High severity (CVSS 7.8) vulnerability in Buffer Over-read in Windows Compute. The current sources do not mark it as known exploited. The current feed maps Qualcomm, Inc./Snapdragon (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 7.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Qualcomm, Inc./Snapdragon (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Qualcomm, Inc./Snapdragongeneric | AQT1000 || 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 || XG101039 | Not reported |
Published upstream
Jul 6, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jul 7, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jul 6, 2026
Memory Corruption when allocating memory with sizes that exceed the maximum allowed value.
Quoted source text, attributed separately from HOL analysis.