CVE-2026-21385

criticalknown exploitedcovered by 1 sourcefirst seen 2026-03-03

Actively exploited. CVE-2026-21385 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2026-03-03) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.

Multiple Qualcomm chipsets contain a memory corruption vulnerability while using alignments for memory allocation.

CSIRTS triage

vendor: Qualcomm Memory corruption

What: The vulnerability involves memory corruption during memory allocation due to alignment issues.
Who is affected: Users of multiple Qualcomm chipsets are affected by this vulnerability.
Urgency: Immediate action is required due to active exploitation and critical severity.
Action: Update Qualcomm chipsets to the latest firmware to address this issue.

AI-assisted analysis generated from the source advisory — verify against the original.

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Exploitation outlook

Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 61% of all EPSS-scored CVEs.

Advisory coverage (1)

criticalexploitedCVE-2026-21385: Qualcomm Multiple Chipsets Memory Corruption Vulnerabilitycisa-kev · 2026-03-03

External references

NVD record for CVE-2026-21385

CVE.org record

CISA KEV catalog

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