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CVE-2026-21385

Integer Overflow or Wraparound in Graphics

7.8 HighIn KEVPublic exploitFix available

Memory corruption while using alignments for memory allocation.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

1.32%Up 1.3 points since Mar 3, 2026
90%50%10%1%

What each source reports

CVE List Score used 7.8

Integer Overflow or Wraparound in Graphics

Memory corruption while using alignments for memory allocation.

Record
CVE-2026-21385
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-190
Updated
2026-11-02
EUVDEUVD-2026-9202 7.8

Memory corruption while using alignments for memory allocation.

Record
EUVD-2026-9202
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
GitHub AdvisoriesGHSA-wwwq-962j-m7x8 7.8

Memory corruption while using alignments for memory allocation.

Memory corruption while using alignments for memory allocation.

Record
GHSA-wwwq-962j-m7x8
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-190
Updated
2026-11-02
CISA KEV No score

Qualcomm Multiple Chipsets Memory Corruption Vulnerability

Multiple Qualcomm chipsets contain a memory corruption vulnerability while using alignments for memory allocation.

Record
CVE-2026-21385
Weakness
CWE-190
Updated
2026-11-02
NVD 7.8

Memory corruption while using alignments for memory allocation.

Record
CVE-2026-21385
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-190
Updated
2026-11-02

Affected products

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Affected packages

Affected packages
PackageAffectedFixed
:linux_kernel:Qualcomm
Android
 SoCVersion:0 up to SoCVersion:2026-03-05, plus listed versions
SoCVersion
SoCVersion:2026-03-05
platform/vendor/qcom/opensource/graphics-kernel
Android
 SoCVersion:0 up to SoCVersion:2026-03-05, plus listed versions
SoCVersion
SoCVersion:2026-03-05

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
PoC in GitHubDaRkZ2012/qualcomm-vulnerability-scanner2026-03-12

History

History
RecordedChangedSources
exploitation
first indexedCVE List, EUVD, GitHub Advisories, CISA KEV, NVD, OSV, PoC in GitHub

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-21385 is a high vulnerability (CVSS 7.8) in Qualcomm 5g Fixed Wireless Access Platform Firmware, published March 1, 2026. CISA lists it as known to be exploited, since March 3, 2026. EUVD reports exploitation since March 3, 2026. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 1.32%, the 70th percentile. Fixed in :linux_kernel:Qualcomm SoCVersion:2026-03-05.

References

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