EUVD-2026-79989
GHSA-9ch4-2x9c-42vr
Severity by source
AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
Remote crafted page needs no auth (PR:N) but requires the victim to visit (UI:R) and uses an unreliable side channel (AC:H); confidentiality-only leak, no integrity/availability impact.
Primary rating from Vendor (google).
CVSS VectorVendor: google
Lifecycle Timeline
4DescriptionCVE.org
Observable discrepancy in CSS in Google Chrome prior to 153.0.8010.47 allowed a remote attacker to leak sensitive information via a crafted HTML page. (Chromium security severity: Medium)
AnalysisAI
Information disclosure in Google Chrome desktop builds prior to 153.0.8010.47 allows a remote attacker to leak sensitive data by measuring observable CSS rendering discrepancies induced by a crafted HTML page. Exploitation is unauthenticated (PR:N) but requires the victim to open the attacker-controlled page (UI:R), and the leak depends on high-attack-complexity side-channel measurement rather than a deterministic parsing bug, so the impact is limited to confidentiality with no integrity or availability effect. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the victim to actively open an attacker-controlled crafted HTML page in a Google Chrome desktop build prior to 153.0.8010.47 (UI:R). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This is a well-calibrated Medium-severity issue, not a top-tier priority. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Vendor-released patch: Chrome 153.0.8010.47. … Detailed patch versions, workarounds, and compensating controls in full report. |
Threat intelligence, references, and detailed analysis are available after sign-in.
Same weakness CWE-203 – Observable Discrepancy
View allSame technique Information Disclosure
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External POC / Exploit Code
Leaving vuln.today