CVE-2026-21385

HIGHCVSS 7.8/10Actively ExploitedEPSS 1.07%

Last modified

CVE-2026-21385 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Memory corruption while using alignments for memory allocation.. CISA has confirmed active exploitation in the wild. EPSS estimates a 1.07% chance of exploitation in the next 30 days.

Description

Memory corruption while using alignments for memory allocation.

Metrics

CVSS 3.1
7.8/10

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

EPSS Probability
1.07%

60.5th percentile

Probability of exploitation in the next 30 days. Learn more

Exploitation Status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by .

Weakness Enumeration

Affected Software

VendorProductVersions
QualcommSm7675p FirmwareAll versions
QualcommSm8475p FirmwareAll versions
QualcommSm8550p FirmwareAll versions
QualcommSm8635 FirmwareAll versions
QualcommSm8635p FirmwareAll versions
QualcommSm8650q FirmwareAll versions
QualcommSm8750p FirmwareAll versions
QualcommSmart Audio 400 Platform FirmwareAll versions
QualcommSmart Display 200 Platform FirmwareAll versions
QualcommSnapdragon 4 Gen 1 Mobile Platform FirmwareAll versions
QualcommSnapdragon 4 Gen 2 Mobile Platform FirmwareAll versions
QualcommSnapdragon 429 Mobile Platform FirmwareAll versions
QualcommSnapdragon 460 Mobile Platform FirmwareAll versions
QualcommSnapdragon 480\+ 5g Mobile Platform FirmwareAll versions
QualcommSnapdragon 480 5g Mobile Platform FirmwareAll versions
QualcommSnapdragon 6 Gen 1 Mobile Platform FirmwareAll versions
QualcommSnapdragon 6 Gen 3 Mobile Platform FirmwareAll versions
QualcommSnapdragon 6 Gen 4 Mobile Platform FirmwareAll versions
QualcommSnapdragon 625 Mobile Platform FirmwareAll versions
QualcommSnapdragon 626 Mobile Platform FirmwareAll versions
QualcommSnapdragon 660 Mobile Platform FirmwareAll versions
QualcommSnapdragon 662 Mobile Platform FirmwareAll versions
QualcommSnapdragon 680 4g Mobile Platform FirmwareAll versions
QualcommSnapdragon 685 4g Mobile Platform FirmwareAll versions
QualcommSnapdragon 690 5g Mobile Platform FirmwareAll versions
QualcommSnapdragon 695 5g Mobile Platform FirmwareAll versions
QualcommSnapdragon 7\+ Gen 2 Mobile Platform FirmwareAll versions
QualcommSnapdragon 7 Gen 1 Mobile Platform FirmwareAll versions
QualcommSnapdragon 778g\+ 5g Mobile Platform FirmwareAll versions
QualcommSnapdragon 778g 5g Mobile Platform FirmwareAll versions
QualcommSnapdragon 782g Mobile Platform FirmwareAll versions
QualcommSnapdragon 7c\+ Gen 3 Compute FirmwareAll versions
QualcommSnapdragon 7s Gen 3 Mobile Platform FirmwareAll versions
QualcommSnapdragon 8\+ Gen 1 Mobile Platform FirmwareAll versions
QualcommSnapdragon 8\+ Gen 2 Mobile Platform FirmwareAll versions
QualcommSnapdragon 8 Elite FirmwareAll versions
QualcommSnapdragon 8 Elite Gen 5 FirmwareAll versions
QualcommSnapdragon 8 Gen 1 Mobile Platform FirmwareAll versions
QualcommSnapdragon 8 Gen 2 Mobile Platform FirmwareAll versions
QualcommSnapdragon 8 Gen 3 Mobile Platform FirmwareAll versions
Qualcomm5g Fixed Wireless Access Platform FirmwareAll versions
QualcommApq8098 FirmwareAll versions
QualcommAr8031 FirmwareAll versions
QualcommAr8035 FirmwareAll versions
QualcommC-V2x 9150 FirmwareAll versions
QualcommCsra6620 FirmwareAll versions
QualcommCsra6640 FirmwareAll versions
QualcommFastconnect 6200 FirmwareAll versions
QualcommFastconnect 6700 FirmwareAll versions
QualcommFastconnect 6800 FirmwareAll versions

Showing 50 of 237 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-21385?
Memory corruption while using alignments for memory allocation.
How severe is CVE-2026-21385?
CVE-2026-21385 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.07% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.
How do I fix CVE-2026-21385?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-21385?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST