Google ChromeOS LTC 150 Update Fixes 43 Security Issues
Tech GuruQuick Answer
Google Chrome published ChromeOS LTC 150.0.7871.256 for ChromeOS devices on the Long Term Support Candidate channel. Inventory the exact affected scope, apply ChromeOS LTC browser version 150.0.7871.256 and platform version 16700.66.0, validate dependent operations, and preserve change evidence.
Validate ChromeOS LTC 150 Scope And Apply The Supported Fix
What to do now: Inventory ChromeOS devices on the Long Term Support Candidate channel, match versions and enabled features to the authority's scope, apply supported remediation, validate representative operations, and document exceptions.
Last verified: 2026-10-08 UTC. Recheck the authoritative advisory and supported distribution channel before changing production.
Scope And Authority
| Product scope | ChromeOS devices on the Long Term Support Candidate channel |
|---|---|
| Advisory | ChromeOS LTC 150.0.7871.256 |
| CVEs | CVE-2026-102324, CVE-2026-103630, CVE-2026-17657, CVE-2026-17666, CVE-2026-19137, CVE-2026-19170, CVE-2026-19173, CVE-2026-78952, CVE-2026-78954, CVE-2026-79078, CVE-2026-79174, CVE-2026-79187, CVE-2026-79195, CVE-2026-79201, CVE-2026-79218, CVE-2026-79219, CVE-2026-79274, CVE-2026-84324, CVE-2026-84325, CVE-2026-84349, CVE-2026-84357, CVE-2026-85043, CVE-2026-85051, CVE-2026-85052, CVE-2026-85053, CVE-2026-87499, CVE-2026-87514, CVE-2026-87628, CVE-2026-87647, CVE-2026-91708, CVE-2026-91716, CVE-2026-91721, CVE-2026-91722, CVE-2026-91724, CVE-2026-91736, CVE-2026-91737, CVE-2026-91749, CVE-2026-95310, CVE-2026-95313, CVE-2026-95339, CVE-2026-95351, CVE-2026-95356, CVE-2026-95372 |
| Authoritative release date | 2026-10-07 18:30:32.914 UTC |
| Authority revision date | 2026-10-07 18:30:32.915 UTC |
| Affected versions | ChromeOS LTC devices that have not reached browser version 150.0.7871.256 and platform version 16700.66.0. |
| Fixed version | ChromeOS LTC browser version 150.0.7871.256 and platform version 16700.66.0 |
| CVSS base score | Not provided by the authority |
| CVSS severity | Not provided by the authority |
| Exploitation status | Not stated by the authority; no exploitation claim is inferred. |
What Changed
Google began rolling out an LTC build with 43 selected security fixes carrying authority ratings from Medium through Critical.
What To Validate Now
- Inventory. Locate ChromeOS devices on the Long Term Support Candidate channel; record versions, enabled features, exposure paths, owners, dependencies, support channels, and maintenance groups.
- Establish applicability. Compare every deployment with the authority's affected statement: ChromeOS LTC devices that have not reached browser version 150.0.7871.256 and platform version 16700.66.0. Do not infer applicability from product family, CVSS, or Internet reachability alone.
- Remediate. Apply ChromeOS LTC browser version 150.0.7871.256 and platform version 16700.66.0 through the authority-supported channel and follow the current advisory.
- Validate. Confirm the resulting ChromeOS LTC 150 build or managed state, exercise representative services and recovery paths, monitor for regressions, and retain the result.
- Retain evidence. Preserve asset and owner identifiers, the applicability decision, before-and-after versions, change approval, installation output, validation results, and any exception or rollback record.
Operational Cautions
Confirm the device is assigned to the LTC channel, allow the managed rollout or force an update under policy, restart where required, and validate sign-in, networking, extensions, peripherals, and enterprise controls. Preserve pre-change state, installation output, logs, validation evidence, and rollback decisions.
Evidence To Retain
- Exact product, release stream, package or application version, enabled feature, environment, and accountable owner.
- UTC timestamps, authority revision, approved change record, installer or package-manager output, and resulting version.
- Relevant logs and monitoring evidence, test results, exceptions, compensating controls, and rollback decisions.
Related TechGeeks Resources
Authoritative References
Correction policy: If the authority changes affected versions, fixed versions, severity, exploitation information, mitigations, or required action, TechGeeks will update this notice and its verification date.
