VulnSocial

CVE-2026-91721Patch(google / chrome)

LOWCVSS 8.8 · HIGH

Signal is active with 1 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 Internals in Google Chrome prior to 153.0.8010.47 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)

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0.5/ 10 priority

Sources & remediation

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

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

STABLE

Are you affected?

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

  • chrome

Threat summary

  • Patch or workaround signal is available
  • 3 mentions across 3 observed days
  • Momentum state: stable

What's happening

  • Patch or workaround mentioned in 3 signals
  • Technical details provided in 2 signals
  • Peaked 2d ago at 1 mentions (2026-09-16); latest day: 1
  • 3 total mentions across 3 days

Affected systems

Vendors
google
Products
chrome

Deep dive

Activity timeline3 mentions / 3d
00111Mentions · 2026-09-16: 1Mentions · 2026-09-17: 1Mentions · 2026-09-19: 1Patch / Workaround · 2026-09-16: 1Patch / Workaround · 2026-09-17: 1Patch / Workaround · 2026-09-19: 1Technical Details · 2026-09-17: 1Technical Details · 2026-09-19: 109-1609-1709-19
Signal classification1 categories
Patch
3100.0%
Referenced assets1 URL
By indicator
Full discourse3 posts
  • ابو سعود 💻@AbuSaud_Cyber
    Patch

    قوقل نزّل تحديث أمني مهم لـ Chrome 153 يصلّح 42 ثغرة، منها 3 مصنّفة Critical 🛡️ القناة المستقرة صارت 153.0.8010.47/.48 على Windows و macOS، و 153.0.8010.47 على Linux، والتحديث ينزل تدريجيًا خلال الأيام والاسابيع الجاية. CVE-2026-91721 ثغرة use-after-free في مكوّن Internals بـ Chrome، رصدها الباحث xinyang، و CVE-2026-91749 بعد use-after-free تأثر على Workers، رصدها WinD39–Huynh Dinh Vu. والثالثة CVE-2026-91726 قراءة خارج الحدود in WebGL، لقاها قوقل داخليًا.

    Post summary

    Google announced a security update for Chrome 153.0.8010.47/.48/.48 to fix 42 vulnerabilities, including three CVEs with technical details. The core message emphasizes patching, with no mention of active exploits, PoCs, or false positives.

    12020384
    1.9K followersView on X
  • NCIIPC India@NCIIPC
    Patch

    #Google has released Security Updates for Chrome which addresses multiple critical vulnerabilities. Apply Updates! #CVE-2026-91726 #CVE-2026-91721 #CVE-2026-91749 https://chromereleases.googleblog.com/

    Post summary

    The tweet announces Google's release of security updates for Chrome to address multiple critical vulnerabilities and explicitly calls for users to apply the updates.

    00010346
    8.5K followersView on X
  • DFIR Lab@DFIR_Lab
    Patch

    🚨 HIGH: CVE-2026-91721 (CVSS 8.8) - Use-after-free in Google Chrome <153.0.8010.47 allows remote code execution via crafted HTML. Update immediately. #CVE #PatchNow https://t.co/gxnTeBLA8Y

    Post summary

    The tweet announces CVE‑2026‑91721, a use‑after‑free RCE flaw in Chrome (CVSS 8.8) and urges immediate update, indicating a patch is available.

    0000045
    138 followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appgooglechrome---

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