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CVE-2026-21385

Integer Overflow or Wraparound in Graphics

CVSS 3.1 High 7.8Known exploited (CISA KEV)

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

Description

Memory corruption while using alignments for memory allocation.

Official description from the CVE record, published by qualcomm. Copyright © 1999-2026 The MITRE Corporation. See /security/cve/legal for the CVE license. View the record on cve.org

Key data

CVSS 3.1 High 7.8

Score published by qualcomm in the CVE record.

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

  • Attack vector: Local

    The attacker needs local access to the system, or to trick a user into running something.

  • Attack complexity: Low

    No special conditions are needed. The attack can be repeated at will.

  • Privileges required: Low

    A basic user account is needed.

  • User interaction: None

    No action from any user is needed.

  • Scope: Unchanged

    The impact stays within the vulnerable component.

  • Confidentiality impact: High

    Serious or total effect on the secrecy of data.

  • Integrity impact: High

    Serious or total effect on the trustworthiness of data.

  • Availability impact: High

    Serious or total effect on availability.

CVSS is owned and managed by FIRST.Org, Inc. (FIRST) and is used by permission. Each CVSS score on this site is shown together with its vector string, as published in the CVE record by the source named next to it. Learn more at first.org/cvss.

EPSS

Exploit Prediction Scoring System by FIRST: an estimate of the probability that exploitation activity will be observed in the next 30 days.
Score
0.01316 (1.3% probability)
Percentile
71.0%
Scores of
Nov 10, 2026
Model
v2026.06.15

CISA Known Exploited Vulnerabilities

This CVE is listed in the CISA KEV catalog.
Name in the catalog
Qualcomm Multiple Chipsets Memory Corruption Vulnerability
Added to the catalog
Mar 3, 2026
Federal due date
Mar 24, 2026

CISA assessment as of Mar 2, 2026

Stakeholder-Specific Vulnerability Categorization (SSVC) decision points added by CISA.
Exploitation
Recorded by CISA as active
Automatable
no
Technical impact
total

Weakness (CWE)

CWE catalog version 5.0.
CWE names: Copyright © 2006-2026, The MITRE Corporation. See /security/cve/legal for the CWE license.
  • CWE-190Integer Overflow or Wraparound

Affected products

Products listed in the CVE record, as the CNA published them.

  • Qualcomm, Inc. Snapdragon

    • affected: 5G Fixed Wireless Access Platform
    • affected: APQ8098
    • affected: AR8031
    • affected: AR8035
    • affected: C-V2X 9150
    • affected: CSRA6620
    • affected: CSRA6640
    • affected: FastConnect 6200
    • affected: FastConnect 6700
    • affected: FastConnect 6800
    • affected: FastConnect 6900
    • affected: FastConnect 7800
    • affected: Flight RB5 5G Platform
    • affected: FSM100 Platform
    • affected: G1 Gen 1
    • affected: G2 Gen 1
    • affected: IQ6 Series Platform
    • affected: IQ8 Series Platform
    • affected: IQ9 Series Platform
    • affected: LeMans_AU_LGIT
    • affected: LeMansAU
    • affected: MDM9250
    • affected: MDM9628
    • affected: Milos
    • affected: Monaco_IOT
    • and 210 more

References

Links listed in the CVE record. They lead to other sites, which CubePath does not control.

Timeline

  1. ID reserved
  2. Record published
  3. Added to CISA KEV
  4. Record last updated

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About CubePath

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Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 19:12 UTC. Sources and licenses