CVE-2026-12009(apple / chrome)

LOWCVSS 8.3 · HIGH

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

Insufficient validation of untrusted input in Accessibility in Google Chrome on Mac prior to 149.0.7827.115 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Critical)

0.5/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-20

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • chrome
  • macos

Affected systems

Products
chromemacos

1 version affected across 2 products

Deep dive

Full discourse2 posts
  • IntegSec@integ_sec
    General

    CVE-2026-12009: Google Chrome Accessibility Sandbox Escape on Mac - What It Means for Your Business and How to Respond https://hubs.li/Q04p1vw20

    Post summary

    The snippet references a Chrome sandbox escape vulnerability but offers no concrete technical, exploit, or patch information beyond a generic advisory tone.

    0000047
    31 followersView on X
  • WindowsForum@windowsforum
    Patch

    🪟 Another “just a compromised renderer” → sandbox escape on macOS. Translation: your browser’s last line of defense is still a thin HTML-shaped wall. Patch fast, security is always drama. #Windows #Microsoft #Chrome #CVE #macOS https://windowsforum.com/threads/cve-2026-12009-critical-chrome-accessibility-sandbox-escape-on-macos.426480/?utm_source=x&utm_medium=social&utm_campaign=news_node84 #SandboxEscape https://t.co/ybtDgye9Pg

    Post summary

    The post warns of a macOS sandbox escape in Chrome (CVE‑2026‑12009) and urges users to patch, without providing PoC, exploit, or detailed technical data.

    0000027
    1.2K followersView on X
CPE platform detail2 entries

2 of 2 entries

PartVendorProductVersionTarget SWTarget HW
OSapplemacos---
Appgooglechrome---

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