Vulnerability report

Exploited in the wild Confirmed confidence In CISA KEV

CVE-2025-21479

Incorrect Authorization in Graphics

Qualcomm / Snapdragon · AQT1000

Severity
CVSS 8.6 · High
Confidence
Confirmed
Exploit status
Exploited in the wild
EPSS
0.8%
First observed
—
Last observed
—

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2025-21479 is an unauthenticated Incorrect Authorization in Graphics affecting Qualcomm Snapdragon. Memory corruption due to unauthorized command execution in GPU micronode while executing specific sequence of...

Is it exploited?

Yes. Previdian tracks this CVE as a known exploited vulnerability. Confidence is confirmed. Listed in CISA KEV. Also confirmed by third-party sources.

Who is affected?

Qualcomm / Snapdragon aqt1000.

What should we do?

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

Overview

Memory corruption due to unauthorized command execution in GPU micronode while executing specific sequence of commands

Memory corruption due to unauthorized command execution in GPU micronode while executing specific sequence of commands.

Qualcomm, Inc. Affected
Snapdragon
AQT1000 FastConnect 6200 FastConnect 6700 FastConnect 6800 FastConnect 6900 FastConnect 7800 QCA6391 QCM4490 QCS4490 SD855 SM4635 SM6250 SM6650 SM6650P SM7325P SM7635 SM7675 SM7675P SM8550P SM8635 SM8635P SM8650Q Snapdragon 4 Gen 1 Mobile Platform Snapdragon 460 Mobile Platform Snapdragon 480 5G Mobile Platform Snapdragon 480+ 5G Mobile Platform (SM4350-AC) Snapdragon 662 Mobile Platform Snapdragon 680 4G Mobile Platform Snapdragon 685 4G Mobile Platform (SM6225-AD) Snapdragon 690 5G Mobile Platform Snapdragon 695 5G Mobile Platform Snapdragon 720G Mobile Platform Snapdragon 778G 5G Mobile Platform Snapdragon 778G+ 5G Mobile Platform (SM7325-AE) Snapdragon 782G Mobile Platform (SM7325-AF) Snapdragon 7c+ Gen 3 Compute Snapdragon 8 Gen 2 Mobile Platform Snapdragon 8 Gen 3 Mobile Platform Snapdragon 8+ Gen 2 Mobile Platform Snapdragon 855 Mobile Platform Snapdragon 855+/860 Mobile Platform (SM8150-AC) Snapdragon 865 5G Mobile Platform Snapdragon 865+ 5G Mobile Platform (SM8250-AB) Snapdragon 870 5G Mobile Platform (SM8250-AC) Snapdragon 888 5G Mobile Platform Snapdragon 888+ 5G Mobile Platform (SM8350-AC) Snapdragon AR1 Gen 1 Platform Snapdragon AR1 Gen 1 Platform "Luna1" Snapdragon X55 5G Modem-RF System SXR2230P SXR2250P SXR2330P WCD9341 WCD9370 WCD9375 WCD9378 WCD9380 WCD9385 WCD9390 WCD9395 WCN3950 WCN3988 WCN6450 WCN6650 WCN6755 WCN7861 WCN7881 WSA8810 WSA8815 WSA8830 WSA8832 WSA8835 WSA8840 WSA8845 WSA8845H
Published
03 Jun 2025
Exploitation Reported
01 Jun 2026
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required

Tags

cisa

CVE References

Exploitation evidence

Why Previdian 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

A trusted third party reported exploitation.

Known exploited vulnerability sources

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

Learn about Pro API access
Source Added
CVE First 2026-06-01 10:31 UTC
CISA 2026-06-02 14:07 UTC

Detection

Operational artifacts and observed signals

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

Observed signals

Request targets
User-Agents
Callback hosts
0
0
0

Request targets and User-Agents available in Pro. Callback host details available in Enterprise.

Scanner coverage

No scanner integrations recorded yet.

Virtual patch status

No Previdian 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

8.6 High

Potential damage if exploited. Separate from whether attackers are using it.

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

EPSS

0.8%

Estimated chance of exploitation in the next 30 days. Previdian's warning comes from evidence, not this score.

Timeline

From disclosure to observed exploitation

  1. 14:07 UTC

    Added to CISA KEV

    Listed in the CISA Known Exploited Vulnerabilities catalog

  2. 10:31 UTC

    Added to Previdian KEV Feed

    High-confidence, third-party attested exploitation

  3. 06:42 UTC

    CVE published

    Vulnerability disclosed publicly

  4. 09:50 UTC

    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-2025-21479

Sample API response
{
  "cve_id": "CVE-2025-21479",
  "confidence": "Confirmed",
  "cvss_score": 8.6,
  "cvss_estimated": false,
  "epss_score": 0.00843,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "attempts": 0, "sensors": 0 }
}