CVE-2026-21372

Name: CVE-2026-21372
Creator: NVD / NIST
Published: 2026-04-06T16:16:29.767+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.10%

Last modified Jun 17, 2026

CVE-2026-21372 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Memory Corruption when sending IOCTL requests with invalid buffer sizes during memcpy operations.. EPSS estimates a 0.10% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.10%

0.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-122

Affected Software

Vendor	Product	Versions
Qualcomm	X2000094 Firmware	All versions
Qualcomm	Xg101002 Firmware	All versions
Qualcomm	Xg101032 Firmware	All versions
Qualcomm	Xg101039 Firmware	All versions
Qualcomm	X2000092 Firmware	All versions
Qualcomm	X2000090 Firmware	All versions
Qualcomm	X2000086 Firmware	All versions
Qualcomm	X2000077 Firmware	All versions
Qualcomm	Wsa8845h Firmware	All versions
Qualcomm	Wsa8845 Firmware	All versions
Qualcomm	Wsa8840 Firmware	All versions
Qualcomm	Wcn3988 Firmware	All versions
Qualcomm	Wcn3950 Firmware	All versions
Qualcomm	Wcd9385 Firmware	All versions
Qualcomm	Wcd9380 Firmware	All versions
Qualcomm	Wcd9378c Firmware	All versions
Qualcomm	Wcd9375 Firmware	All versions
Qualcomm	Wcd9370 Firmware	All versions
Qualcomm	Snapdragon 7c\+ Gen 3 Compute Firmware	All versions
Qualcomm	Snapdragon 662 Mobile Platform Firmware	All versions
Qualcomm	Snapdragon 460 Mobile Platform Firmware	All versions
Qualcomm	Video Collaboration Vc3 Platform Firmware	All versions
Qualcomm	Qcm6490 Firmware	All versions
Qualcomm	Qcm5430 Firmware	All versions
Qualcomm	Fastconnect 7800 Firmware	All versions
Qualcomm	Fastconnect 6900 Firmware	All versions
Qualcomm	Fastconnect 6700 Firmware	All versions
Qualcomm	Cologne Firmware	All versions

References

https://docs.qualcomm.com/product/publicresources/securitybulletin/april-2026-bulletin.htmlVendor Advisory

Timeline

Published: Apr 6, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-21372?

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

How severe is CVE-2026-21372?

CVE-2026-21372 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.10% probability of exploitation in the next 30 days.

How do I fix CVE-2026-21372?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-21372?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST