CVE-2026-25263: Memory corruption while processing IOCTL command called from user space to the kernel with invalid parameters.

Routine

MEDIUM 6.6MITIGATEMITIGATEMITIGATE

CVE-2026-25263 is a medium-severity flaw (CVSS 6.6) affecting snapdragon g1 gen 2 gaming platform firmware, 5g fixed wireless access platform firmware, 9205 lte modem firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Memory corruption while processing IOCTL command called from user space to the kernel with invalid parameters.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	6.6 (Medium)
Attack vector	Local
Attack complexity	High
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.1% (top 100%)
CISA exploited list	No
Weakness	CWE-787
Published	2026-10-06
Last modified	2026-10-09

Publisher (CNA): Qualcomm, Inc. · Vendor: qualcomm

Last updated 2026-10-09 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-10-06 07:16 UTCPublished CVE record published
2026-10-09 14:10 UTCUpdated Record last modified

qualcomm snapdragon g1 gen 2 gaming platform firmware MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

qualcomm 5g fixed wireless access platform firmware MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

qualcomm 9205 lte modem firmware MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

qualcomm 9205s modem firmware MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

qualcomm aqt1000 firmware MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

qualcomm snapdragon 8c compute platform \(sc8180xp-ad\) firmware MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-25263?

snapdragon g1 gen 2 gaming platform firmware: mitigate or apply the listed mitigation; 5g fixed wireless access platform firmware: mitigate or apply the listed mitigation; 9205 lte modem firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-25263 being exploited?

CVE-2026-25263 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-25263 affect?

CVE-2026-25263 affects snapdragon g1 gen 2 gaming platform firmware, 5g fixed wireless access platform firmware, 9205 lte modem firmware. Severity is medium (CVSS 6.6). Memory corruption while processing IOCTL command called from user space to the kernel with invalid parameters.

How urgent is CVE-2026-25263?

Priority 23/100. No elevated risk signals yet.

Software pages

Qualcomm vulnerabilities

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References

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