Integer overflow in Qualcomm, Inc. Snapdragon
CVE-2026-21385
Memory corruption while using alignments for memory allocation.
Vulnerability class: Integer Overflow
EPSS: 0.002 (45.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Qualcomm, Inc. Snapdragon — versions 5G Fixed Wireless Access Platform, APQ8098, AR8031
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
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.
Public proof-of-concept exploits
References
Frequently asked questions
- What is CVE-2026-21385?
- CVE-2026-21385 is a high-severity vulnerability in Qualcomm, Inc. Snapdragon, classified under Integer Overflow or Wraparound. CVSS score: 7.8/10. Published 2026-03-02.
- How severe is CVE-2026-21385?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2026-21385 known to be exploited?
- Yes. CVE-2026-21385 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2026-03-03), indicating it is being actively exploited. 1 public proof-of-concept repositories are indexed.