EUVD-2026-50595
GHSA-46c6-4cmr-4c64
Severity by source
Sources disagree (Medium–Critical)AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
AC:H reflects the mandatory renderer-compromise prerequisite; S:C captures that SOP bypass crosses origin security boundaries by definition.
vuln.today treats the vendor’s rating as authoritative. A higher third-party CVSS (e.g. CISA-ADP) is shown for transparency but does not drive the headline severity.
CVSS VectorVendor: Chrome
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Lifecycle Timeline
5DescriptionCVE.org
Inappropriate implementation in Media in Google Chrome on Windows prior to 151.0.7922.72 allowed a remote attacker who had compromised the renderer process to bypass same origin policy via a crafted HTML page. (Chromium security severity: Medium)
AnalysisAI
Same-origin policy bypass in Google Chrome for Windows (prior to 151.0.7922.72) allows a remote attacker who has already compromised the Chrome renderer process to circumvent cross-origin isolation controls via a crafted HTML page exploiting an origin validation flaw (CWE-346) in the Media component. This is a second-stage, chained exploitation capability - not a standalone entry point - requiring a prior renderer compromise to weaponize, which substantially constrains its independent risk. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires two stacked conditions: (1) the attacker must have already achieved code execution within Chrome's renderer process via a separate vulnerability; and (2) the victim must visit a crafted HTML page in Chrome on Windows prior to version 151.0.7922.72. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | CVSS 6.5 (Medium) with vector AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N indicates network-delivered, user-triggered, unauthenticated exploitation with high integrity impact and no scope change. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker first exploits a separate renderer RCE vulnerability to gain code execution inside Chrome's sandboxed renderer process on a Windows machine, then serves the victim a crafted HTML page that triggers the Media component's origin validation flaw, using the compromised renderer to bypass the same-origin policy and perform cross-origin writes - for example, injecting content into a banking session the victim has open in another tab. No public proof-of-concept code exists at time of analysis, so this scenario is theoretical but structurally plausible as part of a browser exploit chain. |
| Remediation | Update Google Chrome for Windows to version 151.0.7922.72 or later, which contains the vendor-released patch per the stable channel advisory at http://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-346 – Origin Validation Error
View allSame technique Authentication Bypass
View allVendor StatusVendor
SUSE
Severity: Critical| Product | Status |
|---|---|
| SUSE Package Hub 15 SP7 | Fixed |
| openSUSE Leap 16.0 | Fixed |
| SUSE Package Hub 15 SP7 | Affected |
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External POC / Exploit Code
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