EUVD-2026-74337
GHSA-343g-m3cp-cmc4
Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Network-delivered via crafted page (AV:N), one user click required (UI:R), impact confined to partial in-sandbox memory read (C:L, I:N, A:N, S:U).
Primary rating from Vendor (Chrome).
CVSS VectorVendor: Chrome
Lifecycle Timeline
5DescriptionCVE.org
Integer overflow in WebRTC in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to read memory inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)
AnalysisAI
Integer overflow in Chrome's WebRTC subsystem (prior to 153.0.8010.36) enables remote unauthenticated attackers to read memory within the browser's renderer sandbox by directing a victim to a crafted HTML page. The impact is confined to a partial confidentiality breach inside the sandbox - no integrity or availability compromise results. …
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 victim running Google Chrome prior to 153.0.8010.36 to actively navigate to an attacker-controlled or compromised web page - the CVSS UI:R metric confirms that user interaction (page visit) is a hard prerequisite. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The real-world risk of CVE-2026-87630 sits firmly in the moderate tier despite the network-accessible vector. … 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 | Update Google Chrome to version 153.0.8010.36 or later using Chrome's built-in updater (Help → About Google Chrome) or via enterprise deployment tools referencing the stable channel. … Detailed patch versions, workarounds, and compensating controls in full report. |
Threat intelligence, references, and detailed analysis are available after sign-in.
Same weakness CWE-190 – Integer Overflow or Wraparound
View allSame technique Buffer Overflow
View allShare
External POC / Exploit Code
Leaving vuln.today