Is CVE-2026-21385 actively exploited?

Yes. KEV Intelligence tracks CVE-2026-21385 as a known exploited vulnerability. Confidence is confirmed.

What exploitation activity has KEV Intelligence observed?

KEV Intelligence has not yet recorded sensor-observed exploitation attempts for CVE-2026-21385. Our sensors continue to monitor for activity targeting this CVE.

Which versions are affected?

CVE-2026-21385 affects Qualcomm, Inc. Snapdragon. KEV Intelligence lists 235 version rows; examples include 5G Fixed Wireless Access Platform, APQ8098, and AR8031.

Yes. CVE-2026-21385 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog. KEV Intelligence attested it 1 day ahead of CISA.

Vulnerability report

Exploited in the wild Confirmed confidence In CISA KEV

CVE-2026-21385

Integer Overflow or Wraparound in Graphics

Qualcomm / Snapdragon · 5G Fixed Wireless Access Platform

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Severity: CVSS 7.8 · High
Confidence: Confirmed
Exploit status: Exploited in the wild
EPSS: 1.1%
First observed: —
Last observed: —

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2026-21385 is Integer Overflow or Wraparound in Graphics affecting Qualcomm, Inc. Snapdragon. Memory corruption while using alignments for memory allocation.

Is it exploited?

Yes. KEV Intelligence tracks this CVE as a known exploited vulnerability. Confidence is confirmed.

Who is affected?

Qualcomm, Inc. / Snapdragon 5g fixed wireless access platform.

What should we do?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Overview

Memory corruption while using alignments for memory allocation

Memory corruption while using alignments for memory allocation.

Vendor Product Affected Status

Qualcomm, Inc. Snapdragon QCA8081 Affected

Qualcomm, Inc. Snapdragon QCA8337 Affected

Qualcomm, Inc. Snapdragon QCA8695AU Affected

Qualcomm, Inc. Snapdragon QCA9367 Affected

Qualcomm, Inc. Snapdragon QCA9377 Affected

Qualcomm, Inc. Snapdragon QCM2290 Affected

Qualcomm, Inc. Snapdragon QCM4325 Affected

Qualcomm, Inc. Snapdragon QCM4490 Affected

Qualcomm, Inc. Snapdragon QCM5430 Affected

Qualcomm, Inc. Snapdragon QCM6125 Affected

Qualcomm, Inc. Snapdragon QCM6490 Affected

Qualcomm, Inc. Snapdragon QCN6024 Affected

Qualcomm, Inc. Snapdragon QCN9011 Affected

Qualcomm, Inc. Snapdragon QCN9012 Affected

Qualcomm, Inc. Snapdragon QCN9024 Affected

Qualcomm, Inc. Snapdragon QCS2290 Affected

Qualcomm, Inc. Snapdragon QCS4290 Affected

Qualcomm, Inc. Snapdragon QCS4490 Affected

Qualcomm, Inc. Snapdragon QCS8550 Affected

Qualcomm, Inc. Snapdragon QLN1083BD Affected

Qualcomm, Inc. Snapdragon QLN1086BD Affected

Qualcomm, Inc. Snapdragon QMP1000 Affected

Qualcomm, Inc. Snapdragon QPA1083BD Affected

Qualcomm, Inc. Snapdragon QPA1086BD Affected

Qualcomm, Inc. Snapdragon QRB5165M Affected

Published: 02 Mar 2026
Exploitation Reported: 01 Jun 2026
Attack vector: Local
Complexity: Low
Privileges: Low
User interaction: None

CVE References

CVE Record CVE.org · CVE Record https://www.cve.org/CVERecord?id=CVE-2026-21385
docs.qualcomm.com/product/publicresources/securitybulletin/mar... docs.qualcomm.com · CVE Record https://docs.qualcomm.com/product/publicresources/securitybulletin/ma...

Exploitation evidence

Why KEV Intelligence marks this CVE as exploited

Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.

Exploited in the wild

CVE

Recorded 01 Jun 2026

Independent exploitation attestation added to the KEV Intelligence record.

Known exploited vulnerability sources

Per-source evidence links for KEV attestations are available through the KEV Intelligence Pro API.

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Source	Added
CVE First	2026-06-01 11:37 UTC
CISA	2026-06-02 14:03 UTC

Detection

Operational artifacts and observed signals

Make the evidence actionable in scanner, SOC, and edge-control workflows.

Observed signals

Request targets: 0
User-Agents: 0

Raw values available in Pro and Enterprise.

Scanner coverage

No scanner integrations recorded yet.

Virtual patch status

No KEV Intelligence virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.

Learn about virtual patches →

No detection artifacts or sensor request patterns are available for this CVE yet.

Check back as sensor telemetry and scanner integrations are updated.

Risk and context

Severity, weaknesses, and research context

CVSS v3.1

7.8 High

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

EPSS

1.1%

Weaknesses

Integer Overflow or Wraparound CWE-190

Timeline

From disclosure to observed exploitation

02 Jun 2026
Added to CISA KEV

Listed in the CISA Known Exploited Vulnerabilities catalog
01 Jun 2026
Added to KEV Intelligence KEV Feed

High-confidence, third-party attested exploitation
02 Mar 2026
CVE published

Vulnerability disclosed publicly
17 Dec 2025
CVE ID reserved

Identifier reserved by the CNA

Pro API

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Confidence, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.

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Evidence confidence and provenance
First-party sensor telemetry
PoC and scanner references
Affected versions and enrichment
Automation-ready JSON delivery

GET /api/v2/pro/kevs/CVE-2026-21385

Free JSON includes basic KEV fields

{
  "cve_id": "CVE-2026-21385",
  "confidence": "Confirmed",
  "cvss_score": 7.8,
  "cvss_estimated": false,
  "epss_score": 0.01069,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "attempts": 0, "sensors": 0 }
}

Early warning alerts

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