CVE-2026-11645

Published Jun 9, 2026

Last updated 3 days ago

Overview

AI description

Automated description summarized from trusted sources.

CVE-2026-11645 is an out-of-bounds read and write vulnerability found in the V8 JavaScript engine of Google Chrome. This flaw allows a remote attacker to execute arbitrary code within the browser's sandbox by enticing a user to visit a specially crafted HTML page. The vulnerability affects Google Chrome versions prior to 149.0.7827.103, as well as other Chromium-based browsers that utilize the V8 engine. Google has confirmed that an exploit for CVE-2026-11645 exists and is being actively used in the wild.

Description
Out of bounds read and write in V8 in Google Chrome prior to 149.0.7827.103 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)
Source
chrome-cve-admin@google.com
NVD status
Analyzed
Products
chrome

Risk scores

CVSS 3.1

Type
Secondary
Base score
8.8
Impact score
5.9
Exploitability score
2.8
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Severity
HIGH

Known exploits

Data from CISA

Vulnerability name
Google Chromium V8 Out-of-Bounds Read and Write Vulnerability
Exploit added on
Jun 9, 2026
Exploit action due
Jun 23, 2026
Required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Weaknesses

134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE-125

Social media

Hype score
Not currently trending
  1. 00:00 UTC: CVE-2026-11645 disclosed. CISA: CVE-2026-11645 added to Known Exploited Vulnerabilities — Google Chromium V8 Status: ✅ Confirmed exploited in the wild Date added: 2026-06-09 Required action: Apply mitigations per vendor instructions, follow applicable BOD…

    @lyrie_ai

    6 Jul 2026

    61 Impressions

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    1 Reply

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  2. CVE-2026-11645: Fresh patch warning: browsers and AI gateways are both in the firing line. Google just patched Chrome CVE-2026-11645, an actively exploited V8 zero-day. SecurityWeek says it is the 5th Chrome zero-day exploited in 2026. A crafted HTML page could let an…

    @lyrie_ai

    6 Jul 2026

    51 Impressions

    0 Retweets

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    1 Reply

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  3. CISO Daily Briefing: Splunk CVE-2026-20253 KEV remediation deadline is today; NGINX CVE-2026-42530/42055 (CVSS 9.2) and Chrome V8 CVE-2026-11645 zero-day both under active exploitation. OMB M-26-14 mandates federal logging posture change; U.S. restricts Anthropic's Fable 5/Mythos

    @cloudsa

    21 Jun 2026

    385 Impressions

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  4. CISA KEV: CVE-2026-11645 is an out-of-bounds read/write flaw in Google Chromium V8. Under active exploitation. Prioritize Chrome, Edge, and Chromium-based browser updates across endpoints. https://t.co/YhdumUL2Zo #CVE #BrowserSecurity #KEV #Cybersecurity

    @darkrelaylabs

    21 Jun 2026

    45 Impressions

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  5. 🛡️ CVE-2026-11645: Vulnerabilidad crítica de escritura fuera de límites en Google Chromium V8 activamente explotada Análisis técnico de CVE-2026-11645, vulnerabilidad out-of-bounds en Chromium V8 que permite ejecución de código arbitrario. Parches y mitigaciones dispon

    @CiberPlanetaOrg

    18 Jun 2026

    46 Impressions

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  6. Google Chrome's V8 engine and UniFi OS have critical vulnerabilities (CVE-2026-11645, CVE-2026-47368, CVE-2026-47370) that allow remote code execution and unauthorized access. Update your systems immediately to protect against potential exploits. #Security #Chrome #UniFiOS https

    @dailytechonx

    15 Jun 2026

    53 Impressions

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  7. 【Chrome V8ゼロデイCVE-2026-11645、実悪用あり】 GoogleがChromeのCVE-2026-11645を修正しました。Googleはこの脆弱性について、実悪用が存在すると認めています。

    @01ra66it

    12 Jun 2026

    192 Impressions

    1 Retweet

    1 Like

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  8. CISA Adds Cisco, Chrome, and Arista Flaws to KEV Catalog CISA has added these security vulnerabilities to the KEV catalog today. - CVE-2026-20245 (CVSS score: 7.8) - An improper encoding or escaping of output vulnerability in Cisco Catalyst SD-WAN Manager. - CVE-2026-11645

    @techepages

    11 Jun 2026

    66 Impressions

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  9. تنبيه أمني عاجل لمستخدمي Chrome. ثغرة zero day في محرك V8 تحمل CVE-2026-11645 يجري استغلالها فعلياً. تحديث المتصفح فوراً يقلل خطر الاستهداف. Active exploitation confirmed. Chrome V8 zero day

    @fad_777

    11 Jun 2026

    112 Impressions

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  10. 🔒 #CyberSecurity CVE-2026-11645: Active Chrome V8 Exploitation — Detection and Remediation Guide "Google Chrome is under active attack via CVE-2026-11645. Patch to version 149.0.7827.103…" 🔗 https://t.co/GwXVN71lXN #CyberSecurity #ThreatIntel #cve #zeroday #patchtue

    @SecurityAr58409

    10 Jun 2026

    47 Impressions

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  11. For defenders, chrome zero-day cve-2026-11645 enters kev after google ships em… should move fast. Chrome Zero-Day CVE-2026-11645 Enters KEV After Google Ships Emergency V8 Patch Google has… 🔗 Details → https://t.co/wNpprMg8MZ

    @SocXAInvaders

    10 Jun 2026

    11 Impressions

    0 Retweets

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  12. Chrome 5th zero-day of 2026 Google patched the 5th actively exploited Chrome zero-day of 2026. CVE-2026-11645 out-of-bounds read/write in the V8 engine, confirmed exploited in the wild. Fixed in 149.0.7827.102/.103 (Win/Mac/Linux). Google is withholding details until users

    @ElusivePrivacy

    9 Jun 2026

    82 Impressions

    1 Retweet

    1 Like

    0 Bookmarks

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  13. 米国サイバーセキュリティ・社会基盤安全保障庁(CISA)が既知の悪用された脆弱性カタログにアリスタネットワークス社EOSのCVE-2026-7473、ChromiumのCVE-2026-11645、Cisco Catalyst SD-WAN ManagerのCVE-2026-20245を追加。対処期限

    @__kokumoto

    9 Jun 2026

    1872 Impressions

    1 Retweet

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  14. 🛡️ We added Arista EOS vulnerability CVE-2026-7473, Google Chromium V8 vulnerability CVE-2026-11645, & Cisco Catalyst vulnerability CVE-2026-20245 to our KEV Catalog. Visit https://t.co/myxOwap1Tf & apply mitigations to protect your org from cyberattacks. #Cybersecur

    @CISACyber

    9 Jun 2026

    3950 Impressions

    13 Retweets

    29 Likes

    2 Bookmarks

    1 Reply

    3 Quotes

  15. CVE-2026-11645: Exploited Chrome V8 Bug Enables In-Browser Code Execution https://t.co/strRb02BoZ CVE-2026-11645: Exploited Chrome V8 Bug Enables In-Browser Code Execution CVE-2026-11645 is a high-severity Google Chrome zero-day in the V8 JavaScript/WebAssembly engine caused

    @f1tym1

    9 Jun 2026

    39 Impressions

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  16. Google patches Chrome zero-day exploited in the wild (CVE-2026-11645): Google has fixed 74 vulnerabilities in Chrome, including (CVE-2026-11645), a high-severity zero-day that has been exploited in the wild. “Google is aware that an exploit for… https://t.co/DFze4cxmEn https:

    @shah_sheikh

    9 Jun 2026

    24 Impressions

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  17. Google has released emergency Chrome updates to fix CVE-2026-11645, a zero-day in the V8 JavaScript engine that has been exploited in the wild. This is the fifth Chrome zero-day patched this year, following earlier fixes for flaws including CVE-2026-2441, CVE-2026-3909, https://t

    @BreachBrief

    9 Jun 2026

    52 Impressions

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  18. Google Chrome V8越界读写漏洞(CVE-2026-11645) #chrome #CVE-2026-11645 https://t.co/eSskoqxC80

    @JiaGao54899

    9 Jun 2026

    16 Impressions

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