Paper/Archive/CVE-2026-118333

CVE-2026-118333

Google Chrome — Missing authorization in Video in Google Chrome prior to 156.0.8078.73 allowed a remote attacker to bypass web origin policy via a crafte…

EPSS 0.2%CVSS 9.3

critical.is priorityof 100

CVSS 9.3 (NVD)9.3 / 10 × 3027.9 Not in CISA KEV+300.0 EPSS percentile 9.2.092 × 201.8 No public exploit+100.0 SSVC exploitation: none+100.0

Description · from the CVE record

Missing authorization in Video in Google Chrome prior to 156.0.8078.73 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: High)

Affected

ProductAffectedFixed inSource

Chrome156.0.8078.73 – < 156.0.8078.73156.0.8078.73CNA

Scores by source

NVD9.3CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N

CISA ADP5.4CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: partial

References

refchromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_0562499947.html refissues.chromium.org/issues/571147583