VulnerabilityAnalyzed
CVE-2026-21373
Memory Corruption when accessing an output buffer without validating its size during IOCTL processing.
HIGH 7.8EPSS 0.08%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.08%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Memory Corruption when accessing an output buffer without validating its size during IOCTL processing.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.08% probability · 0th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-126
- Affected
- qualcomm/aqt1000 firmware · qualcomm/cologne firmware · qualcomm/fastconnect 6200 firmware · qualcomm/fastconnect 6700 firmware · qualcomm/fastconnect 6800 firmware · qualcomm/fastconnect 6900 firmware · qualcomm/fastconnect 7800 firmware · qualcomm/qca0000 firmware · qualcomm/qca6391 firmware · qualcomm/qca6420 firmware · qualcomm/qca6430 firmware · qualcomm/wcd9385 firmware · qualcomm/wcn3950 firmware · qualcomm/wcn3988 firmware · qualcomm/wsa8810 firmware · qualcomm/wsa8815 firmware · qualcomm/wsa8830 firmware · qualcomm/wsa8832 firmware · qualcomm/wsa8835 firmware · qualcomm/wsa8840 firmware · +34 more
- Source
- product-security@qualcomm.com
EPSS 0.1% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.