Cyber Posture

CVE-2026-8520

High

Published: 14 May 2026

Published
14 May 2026
Modified
14 May 2026
KEV Added
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Patch
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CVSS Score 8.3 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
EPSS Score N/A
Risk Priority 17 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2026-8520 is a high-severity Race Condition (CWE-362) vulnerability in Chromium (inferred from references). Its CVSS base score is 8.3 (High).

Operationally, it is not currently listed in the CISA KEV catalog.

Threat & Defense Details

Likely Mitigating ControlsAI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

AU-8 Time Stamps
addresses: CWE-362

Accurate timestamps from internal clocks enable detection of race conditions by providing reliable event ordering in audit logs.

PL-6 Security-related Activity Planning
addresses: CWE-362

Coordination of concurrent security activities reduces the probability that shared resources will be accessed simultaneously without proper synchronization.

NVD Description

Race in Payments in Google Chrome prior to 148.0.7778.168 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Critical)

Deeper analysisAI

Automated synthesis unavailable for this CVE.

Details

CWE(s)
CWE-362

Affected Products

Chromium
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inferred from references and description; NVD did not file a CPE for this CVE

References