VulnSocial

CVE-2026-12437Patch(google / chrome)

LOWCVSS 8.3 · HIGH

Signal is active with 2 mentions in latest observed window

Immediate actions

  • Patch google chrome systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

Use after free in WebShare in Google Chrome on Windows prior to 149.0.7827.155 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)

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1.0/ 10 priority

Sources & remediation

Vendor / third-party advisories
Other references
Weakness type (CWE)
CWE-416

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Are you affected?

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

  • chrome
  • windows

Threat summary

  • Patch or workaround signal is available
  • 2 mentions across 1 observed day

What's happening

  • Patch or workaround mentioned in 2 signals
  • Technical details provided in 1 signal
  • 2 total mentions across 1 day

Affected systems

Vendors
googlemicrosoft
Products
chromewindows

1 version affected across 2 products

Deep dive

Activity timeline2 mentions / 1d
01122Mentions · 2026-06-17: 2Patch / Workaround · 2026-06-17: 2Technical Details · 2026-06-17: 106-17
Signal classification1 categories
Patch
2100.0%
Referenced assets2 URLs
Full discourse2 posts
  • Daily CyberSecurity@the_yellow_fall
    Patch

    A new Chrome security update fixes 33 flaws, including critical use-after-free bugs like CVE-2026-12437. Update Chrome 149 now to stay safe. #Chrome #GoogleChrome #CVE202612437 #InfoSec https://securityonline.info/chrome-security-update https://t.co/O612tH9Snx

    Post summary

    The tweet highlights a Chrome update that fixes 33 vulnerabilities, including the critical use‑after‑free CVE-2026-12437, and urges users to install Chrome 149 for protection.

    01042420
    12.8K followersView on X
  • セキュリティ対策Lab@securityLab_jp
    Patch

    Google、Chromeの脆弱性 33件を修正(CVE-2026-12437,CVE-2026-12443)他 https://rocket-boys.co.jp/security-measures-lab/google-chrome-33-cve-2026-12437-12443/ #セキュリティ対策Lab #security #securitynews

    Post summary

    Google Chrome has released a patch addressing 33 vulnerabilities, including CVE-2026-12437 and CVE-2026-12443.

    00001148
    431 followersView on X
CPE platform detail2 entries

2 of 2 entries

PartVendorProductVersionTarget SWTarget HW
Appgooglechrome---
OSmicrosoftwindows---

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