Security readout for executives and security teams
Plain-English summary
CVE-2025-21479 is a Qualcomm Snapdragon graphics authorization flaw that can corrupt memory when specific GPU commands are executed. It matters because CISA lists it as known exploited. Attack exposure is device-side rather than internet-facing, but compromised or targeted devices using affected Snapdragon components should be prioritized for vendor updates.
Executive priority
Treat this as an urgent managed-device remediation item because KEV confirms exploitation. It is not a perimeter emergency, but unpatched Qualcomm-based endpoints may carry high business risk.
Technical view
The CVE describes incorrect authorization in the graphics/GPU micronode path, allowing unauthorized command execution that can trigger memory corruption. CVSS 8.6 reflects local attack, low complexity, no privileges, required user interaction, changed scope, and high confidentiality, integrity, and availability impact.
Likely exposure
Organizations may be exposed through phones, compute, XR, modem, Wi-Fi, audio, or embedded devices containing the listed Qualcomm Snapdragon components and lacking OEM security updates.
Exploitation context
Active exploitation is supported by CISA KEV listing. The provided sources do not describe exploit method, target campaigns, public exploit code, or specific attacked products.
Researcher notes
The source bundle does not identify affected OS builds, exploit primitives, or patch identifiers. Validate exposure at component and OEM firmware level, and avoid extrapolating beyond Qualcomm’s listed affected products.
Mitigation direction
- Check Qualcomm’s June 2025 bulletin and OEM advisories for applicable updates.
- Apply OEM firmware, driver, or security updates for affected Snapdragon-based devices.
- Prioritize managed mobile, XR, compute, and embedded fleets with listed components.
- Use MDM controls to reduce untrusted app installation until updated.
- Retire or isolate devices that cannot receive vendor fixes.
Validation and detection
- Inventory devices and map chipsets against Qualcomm’s affected product list.
- Confirm installed OEM patch levels include the Qualcomm June 2025 bulletin fixes.
- Check CISA KEV tracking for required remediation timelines.
- Verify high-risk device classes are covered by MDM or asset management.
- Document exceptions where OEM patch availability is unclear.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-863: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2025-21479 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 8.6 (3.1)
- Known Exploited
- Yes
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CISA KEV status
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H1.86Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.6HighVector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://docs.qualcomm.com/product/publicresources/securitybulletin/june-2025-bulletin.htmlCVE reference
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-21479CVE reference · government-resource
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Incorrect Authorization
Incorrect Authorization represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.