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Vulnerability record · CVE-2025-21479 · published 3 June 2025

CVE-2025-21479: Qualcomm GPU micronode memory corruption via unauthorized command execution

Qualcomm · Aqt1000 Firmware

Qualcomm chipsets contain an incorrect authorization flaw in the GPU micronode that allows memory corruption when a specific sequence of commands is executed. The vulnerability affects a broad set of Qualcomm firmware products and is listed in CISA's Known Exploited Vulnerabilities catalog, so it warrants prompt remediation despite a low EPSS score.

8.6 CVSS 3.1 High CISA KEV since 3 Jun 2025 EPSS 0.84% · top 43.7% CWE-863 · Incorrect authorization
8.6CVSS 3.1 base score
0.84%EPSS exploitation probability, 30 days
YesIn CISA KEV, fix deadline passed
75Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

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

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

Automated analysis

Generated by VULONE's analysis model from the NVD record, CISA KEV and EPSS data on 17 September 2026. Confidence: medium.

high priorityCISA KEV listing indicates known exploitation, and the CVSS score of 8.6 with high confidentiality, integrity, and availability impact makes this a serious local threat requiring prompt patching.

What it is

Qualcomm chipsets contain an incorrect authorization flaw in the GPU micronode that allows memory corruption when a specific sequence of commands is executed. The vulnerability affects a broad set of Qualcomm firmware products and is listed in CISA's Known Exploited Vulnerabilities catalog, so it warrants prompt remediation despite a low EPSS score.

Impact

An attacker who can trigger the command sequence may corrupt memory in the GPU micronode, potentially leading to code execution or a denial of service within the affected component's security scope.

Attack surface

The CVSS vector is local (AV:L) with no privileges required (PR:N) but user interaction required (UI:R), meaning an attacker needs local access and must convince a user to perform an action that triggers the malicious command sequence.

Exploitation

CVE-2025-21479 is listed in CISA KEV with a due date of 2025-06-24, indicating known exploitation, while EPSS shows a low 30-day probability of 0.00843 (56th percentile). No ransomware campaign use is documented.

What to do

  • Apply the Qualcomm June 2025 security bulletin patches for all affected chipsets and firmware listed.
  • Follow CISA BOD 22-01 guidance and remediate or discontinue use of affected products if mitigations are unavailable.
  • Restrict local access to affected devices and limit untrusted applications that can issue GPU micronode commands.
  • Monitor vendor advisories for updated firmware and reapply patches as they become available.

Detection

  • Monitor for abnormal GPU micronode command sequences or crashes in device logs on affected Qualcomm chipsets.
  • Track CISA KEV and Qualcomm bulletin updates to identify unpatched devices in the environment.
  • Correlate local user interaction events with GPU-related memory corruption or crash reports.

This assessment is produced automatically and is not human-reviewed. Verify against the vendor advisory before acting on it.

Exploitation in the wild

CISA added CVE-2025-21479 to the Known Exploited Vulnerabilities catalog on 3 June 2025 as "Qualcomm Multiple Chipsets Incorrect Authorization Vulnerability". 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. Federal deadline 24 June 2025.

Affected products

75 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://docs.qualcomm.com/product/publicresources/securitybulletin/june-2025-bulletin.html Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-21479 US Government Resource

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-21479), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.