SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2026-21372

Memory Corruption when sending IOCTL requests with invalid buffer sizes during memcpy operations.

HIGH 7.8EPSS 0.10%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.10%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Memory Corruption when sending IOCTL requests with invalid buffer sizes during memcpy operations.

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
0.10% probability · 1th percentile
CISA KEV
Not listed
Weakness
CWE-122
Affected
qualcomm/x2000094 firmware · qualcomm/xg101002 firmware · qualcomm/xg101032 firmware · qualcomm/xg101039 firmware · qualcomm/x2000092 firmware · qualcomm/x2000090 firmware · qualcomm/x2000086 firmware · qualcomm/x2000077 firmware · qualcomm/wsa8845h firmware · qualcomm/wsa8845 firmware · qualcomm/wsa8840 firmware · qualcomm/wcn3988 firmware · qualcomm/wcn3950 firmware · qualcomm/wcd9385 firmware · qualcomm/wcd9380 firmware · qualcomm/wcd9378c firmware · qualcomm/wcd9375 firmware · qualcomm/wcd9370 firmware · qualcomm/snapdragon 7c\+ gen 3 compute firmware · qualcomm/snapdragon 662 mobile platform firmware · +8 more
Source
product-security@qualcomm.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.