EUVD-2026-74413
GHSA-mxc8-9v73-hv36
Severity by source
AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N
Renderer compromise prerequisite drives AC:H; cross-origin data leak is confidentiality-only at low impact; no integrity or availability effect.
Primary rating from Vendor (Chrome).
CVSS VectorVendor: Chrome
Lifecycle Timeline
4DescriptionCVE.org
Information leak in CORS in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to obtain cross-origin data via a crafted HTML page. (Chromium security severity: Medium)
AnalysisAI
Cross-origin data exfiltration in Google Chrome's CORS implementation prior to 153.0.8010.36 is exploitable only as a second-stage technique by an attacker who has already compromised the renderer process, allowing them to read data from foreign origins the victim is authenticated to via a crafted HTML page. With a CVSS of 3.1, EPSS of 0.17% (7th percentile), no CISA KEV listing, and no public exploit code identified, this represents a low standalone risk - its relevance is as a data-harvesting primitive chained after a renderer RCE. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Two preconditions must both be met: (1) the attacker must have already compromised Chrome's renderer process via a separate vulnerability - this is explicitly a second-stage technique and not an initial access vector - and (2) the victim must visit a crafted HTML page controlled by the attacker (UI:R). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 score of 3.1 (AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N) accurately captures the limited impact profile of this vulnerability. … 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 | Upgrade Google Chrome to version 153.0.8010.36 or later; this is the vendor-released patch documented in the Chrome Stable Channel update at https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-200 – Information Exposure
View allSame technique Information Disclosure
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External POC / Exploit Code
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