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

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 SA8195P Affected
Qualcomm, Inc. Snapdragon SA8255P Affected
Qualcomm, Inc. Snapdragon SA8295P Affected
Qualcomm, Inc. Snapdragon SA8620P Affected
Qualcomm, Inc. Snapdragon SA8770P Affected
Qualcomm, Inc. Snapdragon SA9000P Affected
Qualcomm, Inc. Snapdragon SAR1165P Affected
Qualcomm, Inc. Snapdragon SAR1250P Affected
Qualcomm, Inc. Snapdragon SAR2130P Affected
Qualcomm, Inc. Snapdragon SAR2230P Affected
Qualcomm, Inc. Snapdragon SC8380XP Affected
Qualcomm, Inc. Snapdragon SD 8 Gen1 5G Affected
Qualcomm, Inc. Snapdragon SD626 Affected
Qualcomm, Inc. Snapdragon SD662 Affected
Qualcomm, Inc. Snapdragon SD865 5G Affected
Qualcomm, Inc. Snapdragon SDA660 Affected
Qualcomm, Inc. Snapdragon SDM429W Affected
Qualcomm, Inc. Snapdragon SDX61 Affected
Qualcomm, Inc. Snapdragon SM6225P Affected
Qualcomm, Inc. Snapdragon SM6650P Affected
Qualcomm, Inc. Snapdragon SM7325P Affected
Qualcomm, Inc. Snapdragon SM7435 Affected
Qualcomm, Inc. Snapdragon SM7550 Affected
Qualcomm, Inc. Snapdragon SM7550P Affected
Qualcomm, Inc. Snapdragon SM7635P Affected
Published
02 Mar 2026
Exploitation Reported
01 Jun 2026
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None

Tags

cisa

CVE References

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.

Learn about Pro API access
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%

Timeline

From disclosure to observed exploitation

  1. Added to CISA KEV

    Listed in the CISA Known Exploited Vulnerabilities catalog

  2. Added to KEV Intelligence KEV Feed

    High-confidence, third-party attested exploitation

  3. CVE published

    Vulnerability disclosed publicly

  4. CVE ID reserved

    Identifier reserved by the CNA

Pro API

Automate this intelligence

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

  • 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 }
}

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