CVE-2026-85046
Google Chromium V8 Type Confusion Vulnerability
CVSS
8.8
Alta
EPSS
1.8%
p79
KEV
SIM
4 de set. de 2026
Exploit Today
74
0-100
Publicado: 3 de set. de 2026 · Última mod.: 21 de set. de 2026 · CWE-843
Produto
Google / Chromium V8
Vulnerabilidade
Google Chromium V8 Type Confusion Vulnerability
Adicionado ao KEV
4 de set. de 2026
Corrigir até
18 de set. de 2026
Uso conhecido em ransomware
Não
Descrição resumida
Google Chromium V8 contains a type confusion vulnerability that allows a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.
Ação necessária
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
Notas
https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_01882797386.html ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-85046
Type confusion in V8 in Google Chrome prior to 152.0.7977.82 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)
- chromereleases.googleblog.comhttps://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_01882797386.html
- issues.chromium.orghttps://issues.chromium.org/issues/542403045
- github.comhttps://github.com/Serotav/Writeups/blob/77556c57999805fa7815a114da51d91cf24fbea9/v8/When_Sorting_Leads_To_Confusion.md
- github.comhttps://github.com/v8/v8/commit/e0562d87ad9c17042b581582c99237d798572e67
- news.ycombinator.comhttps://news.ycombinator.com/item?id=49570669
- serotav.github.iohttps://serotav.github.io/Writeups/v8/when-sorting-leads-to-confusion/
- www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-85046