CVE-2026-8009
published 2026-05-06CVE-2026-8009: Inappropriate implementation in Cast in Google Chrome prior to 148.0.7778.96 allowed a remote attacker who had compromised the renderer process to bypass…
PriorityP425medium5CVSS 3.1
AVNACHPRNUIRSUCLILAL
EPSS
0.12%
2.1th percentile
Inappropriate implementation in Cast in Google Chrome prior to 148.0.7778.96 allowed a remote attacker who had compromised the renderer process to bypass navigation restrictions via a crafted HTML page. (Chromium security severity: Low)
Affected
3 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| chrome | < 148.0.7778.96 | 148.0.7778.96 | |
| chrome | >= 148.0.7778.96 < 148.0.7778.96 | 148.0.7778.96 | |
| chrome_desktop | — | — |
CVSS provenance
nvdv3.15.0MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
vendor_redhat5.0MEDIUM
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Red Hat
chromium-browser: Inappropriate implementation in Cast
vendor_redhat·2026-05-05·CVSS 5.0
CVE-2026-8009 [MEDIUM] CWE-1021 chromium-browser: Inappropriate implementation in Cast
chromium-browser: Inappropriate implementation in Cast
An inappropriate implementation flaw was found in the Cast component of the Chromium browser.
Upstream bug(s):
https://code.google.com/p/chromium/issues/detail?id=496555077
Statement: Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory.
Chrome
Stable Channel Update for Desktop: CVE-2026-8009
vendor_chrome·2026-05-05·CVSS 5.0
CVE-2026-8009 [LOW] Stable Channel Update for Desktop: CVE-2026-8009
Stable Channel Update for Desktop
CVE-2026-8009: Inappropriate implementation in Cast. Reported by Google on 2026-03-26 [N/A][ 496624084 ] Low CVE-2026-8010: Insufficient validation of untrusted input in SiteIsolation
Reported by Google on 2026-03-26 [N/A][ 496626029 ] Low CVE-2026-8011: Insufficient policy enforcement in Search
Severity: low
GHSA
GHSA-xx7x-v3m4-97v5: Inappropriate implementation in Cast in Google Chrome prior to 148
ghsa_unreviewed·2026-05-06
CVE-2026-8009 [MEDIUM] CWE-693 GHSA-xx7x-v3m4-97v5: Inappropriate implementation in Cast in Google Chrome prior to 148
Inappropriate implementation in Cast in Google Chrome prior to 148.0.7778.96 allowed a remote attacker who had compromised the renderer process to bypass navigation restrictions via a crafted HTML page. (Chromium security severity: Low)
VulDB
Google Chrome up to 147.0.7727.138 Cast Remote Code Execution (ID 496555 / EUVD-2026-28121)
vuldb·2026-05-06·CVSS 5.0
CVE-2026-8009 [MEDIUM] Google Chrome up to 147.0.7727.138 Cast Remote Code Execution (ID 496555 / EUVD-2026-28121)
A vulnerability classified as critical was found in Google Chrome. Affected is an unknown function of the component Cast. Executing a manipulation can lead to Remote Code Execution.
This vulnerability is registered as CVE-2026-8009. It is possible to launch the attack remotely. No exploit is available.
Upgrading the affected component is advised.
No detection rules found.
No public exploits indexed.
Rapid7
Patch Tuesday - May 2026
blogs_rapid7·2026-05-13·CVSS 10.0
CVE-2026-41089 [CRITICAL] Patch Tuesday - May 2026
Microsoft is publishing 137 vulnerabilities on May 2026 Patch Tuesday . Microsoft is not aware of exploitation in the wild or public disclosure for any of these vulnerabilities. So far this month, Microsoft has provided patches to address 133 browser vulnerabilities, which are not included in the Patch Tuesday count above.
## Windows Netlogon: critical RCE
Anyone responsible for securing a domain controller should prioritize remediation of CVE-2026-41089 , which is a critical stack-based buffer overflow in Windows Netlogon with a CVSS v3 base score of 9.8. Exploitation leads to execution in the context of the Netlogon service, so that’s SYSTEM privileges on the domain controller. For most pentesters, that’s the point at which the customer report more or less writes itself. No privileges
Bugzilla
CVE-2026-8009 chromium-browser: Inappropriate implementation in Cast
bugzilla·2026-05-06·CVSS 5.0
CVE-2026-8009 [MEDIUM] CVE-2026-8009 chromium-browser: Inappropriate implementation in Cast
CVE-2026-8009 chromium-browser: Inappropriate implementation in Cast
Inappropriate implementation in Cast in Google Chrome prior to 148.0.7778.96 allowed a remote attacker who had compromised the renderer process to bypass navigation restrictions via a crafted HTML page. (Chromium security severity: Low)
2026-05-06
Published