CVE-2026-55286: In stpropnci_process of stpropnci.cc, there is a possible out of bounds write due to an incorrect bounds check

Routine

HIGH 7.8MITIGATE

CVE-2026-55286 is a high-severity flaw (CVSS 7.8) affecting android. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

In stpropnci_process of stpropnci.cc, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Why this priority

High severity

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

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.1% (top 100%)
CISA exploited list	No
Weakness	CWE-119
Published	2026-10-05
Last modified	2026-10-07

Publisher (CNA): Android (associated with Google Inc. or Open Handset Alliance) · Vendor: google

Last updated 2026-10-07 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-10-05 19:17 UTCPublished CVE record published
2026-10-07 14:22 UTCUpdated Record last modified

google android MITIGATE

Affected: 17.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 17.0

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-2026-55286?

android: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-55286 being exploited?

CVE-2026-55286 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-2026-55286 affect?

CVE-2026-55286 affects android. Severity is high (CVSS 7.8). In stpropnci_process of stpropnci.cc, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed

How urgent is CVE-2026-55286?

Priority 27/100. High severity

Software pages

Android vulnerabilities

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References

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