EUVD-2026-66050
GHSA-qp33-mp25-h7w2
Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Network-delivered via crafted page, no auth needed, mandatory user interaction; limited integrity-only impact with no scope change or data exposure.
Primary rating from Vendor (Chrome).
CVSS VectorVendor: Chrome
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Lifecycle Timeline
4DescriptionCVE.org
Missing authorization in Browser in Google Chrome on on Mac prior to 152.0.7977.65 allowed a remote attacker leveraging social engineering to bypass web origin policy into a privileged page via a crafted HTML page. (Chromium security severity: Low)
AnalysisAI
Missing authorization in Google Chrome's Browser component on macOS (versions prior to 152.0.7977.65) enables remote attackers to bypass the web origin policy and reach privileged browser pages via a crafted HTML page, contingent on social engineering the victim into visiting the page. Impact is limited to integrity (CVSS I:L) with no confidentiality or availability consequences; EPSS at 0.26% (18th percentile) signals negligible current exploitation probability. …
Unlock full vulnerability intelligence
- Risk assessment & exploitation conditions
- Attack chain visualization
- Remediation with exact patch versions
- Threat intelligence from 22 sources
- Personal watchlist & email alerts
Free forever · No credit card required
Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a macOS user running Google Chrome prior to 152.0.7977.65 - Windows and Linux are not affected per the CVE description. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.3 (Medium) vector AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N accurately characterizes a network-reachable flaw that requires active victim interaction (UI:R) and produces only limited integrity impact - no confidentiality or availability degradation is indicated. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker crafts a malicious HTML page designed to trigger Chrome's missing authorization check and hosts it at an attacker-controlled domain. The victim on macOS running Chrome prior to 152.0.7977.65 is lured to the page via phishing email, malicious advertisement, or social media link. … |
| Remediation | Update Google Chrome on macOS to version 152.0.7977.65 or later; this is the vendor-released patch confirmed by the stable channel advisory at https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.html. … Detailed patch versions, workarounds, and compensating controls in full report. |
Threat intelligence, references, and detailed analysis are available after sign-in.
Same weakness CWE-862 – Missing Authorization
View allSame technique Authentication Bypass
View allShare
External POC / Exploit Code
Leaving vuln.today