CVE-2021-1905Actively exploitedAdded to KEV 2021-11-03

Qualcomm Multiple Chipsets Use-After-Free Vulnerability

Qualcomm, Multiple Chipsets

Description

Multiple Qualcomm Chipsets contain a use after free vulnerability due to improper handling of memory mapping of multiple processes simultaneously.

CVSS severity for this advisory hasn't been enriched from NVD yet, check back shortly.

EPSS, exploit probability

Medium

1.5%

estimated chance of real-world exploitation in the next 30 days, higher than 74.8% of every CVE FIRST.org scores

Refreshed 10/28/2026, via FIRST.org's EPSS model, not CVSS, this measures likelihood of exploitation, not how severe it would be.

Required action

Apply updates per vendor instructions.

CISA-recommended due date: 2022-05-03

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