CVE-2026-21385

Integer Overflow or Wraparound in Graphics

HIGH
7.8
CVSS Score
Published: March 2, 2026 at 04:53 PM UTC
Updated: June 17, 2026 at 10:18 AM UTC
231 products affected across 1 vendorWCD9380WSA8835WSA8830

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Severity
HIGH7.8
Exploitation
CISA KEV
Exploit prediction
EPSS 1%
SSVC
Active

Actively Exploited

CISA Known Exploited Vulnerabilities (KEV) Catalog

EPSS Score1.3%

EPSS (Exploit Prediction Scoring System) estimates a 1.3% chance this CVE is exploited in the wild within the next 30 days — higher than 70% of all CVEs. It complements CVSS: a high EPSS on a mid-severity CVE can still be urgent.

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

Required Action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Ransomware Use
Unknown
Added to KEV
Mar 3, 2026
Remediation Due
Mar 24, 2026
216 days overdue

Description

Memory corruption while using alignments for memory allocation.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions
qualcomm-5g-fixed-wireless-access-platform (same device)
All versions
qualcomm-apq8098 (same device)
All versions
All versions
All versions
qualcomm-c-v2x-9150 (same device)
All versions
All versions
All versions
qualcomm-fastconnect-6200 (same device)
All versions
qualcomm-fastconnect-6800 (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCActiveNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGHqualcomm
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-190

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