CVE-2026-21385

HIGH KEV

Qualcomm Memory Allocation Alignments Firmware - Memory Corruption

Title source: llm
STIX 2.1

Exploitation Summary

CVE-2026-21385 is actively exploited and listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added March 3, 2026. EIP tracks 2 public exploits from researchers including XiaomingX, unionnx.

AI-analyzed exploit summary This repository contains a Python-based scanner for detecting and patching CVE-2026-21385 in Qualcomm devices via an official API. It does not include exploit code but interacts with Qualcomm's API to check for vulnerabilities and apply patches.

Description

Memory corruption while using alignments for memory allocation.

Exploits (2)

github SCANNER 10 stars
by XiaomingX · pythonpoc
https://github.com/XiaomingX/data-cve-poc-py-v1/tree/main/2026/CVE-2026-21385

This repository contains a Python-based scanner for detecting and patching CVE-2026-21385 in Qualcomm devices via an official API. It does not include exploit code but interacts with Qualcomm's API to check for vulnerabilities and apply patches.

Classification
Scanner 90%
Attack Type
Other
Complexity
Moderate
Reliability
Reliable
Target: Qualcomm devices (specific version not specified)
Auth required
Prerequisites: Qualcomm API key · device ID
devstral-2 · analyzed Mar 05, 2026 Full analysis →
nomisec SCANNER
by unionnx · poc
https://github.com/unionnx/CVE-2026-21385

This repository contains a Python-based scanner to detect if an Android device is vulnerable to CVE-2026-21385, an integer overflow in the Qualcomm Display component. It checks the device's chipset and security patch level to determine vulnerability status.

Classification
Scanner 100%
Attack Type
Info Leak
Complexity
Trivial
Reliability
Reliable
Target: Qualcomm Display component on Android devices
No auth needed
Prerequisites: Android device with Termux installed · Python 3.x
devstral-2 · analyzed Mar 23, 2026 Full analysis →

Scores

CVSS v3 7.8
EPSS 0.0023
EPSS Percentile 45.8%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation active
Automatable no
Technical Impact total

Details

CISA KEV 2026-03-03
VulnCheck KEV 2026-03-02
ENISA EUVD EUVD-2026-9202
CWE
CWE-190
Status published
Products (50)
qualcomm/5g_fixed_wireless_access_platform_firmware
qualcomm/apq8098_firmware
qualcomm/ar8031_firmware
qualcomm/ar8035_firmware
qualcomm/c-v2x_9150_firmware
qualcomm/csra6620_firmware
qualcomm/csra6640_firmware
qualcomm/fastconnect_6200_firmware
qualcomm/fastconnect_6700_firmware
qualcomm/fastconnect_6800_firmware
... and 40 more
Published Mar 02, 2026
KEV Added Mar 03, 2026
Tracked Since Mar 03, 2026