{"id":"CVE-2026-78976","state":"PUBLISHED","title":"Improper input validation in StorageAccessAPI in Google Chrome prior to 152.0.7977.65 allowed a remote attacker who had compromised the renderer process to bypass web origin policy","description":"Improper input validation in StorageAccessAPI in Google Chrome prior to 152.0.7977.65 allowed a remote attacker who had compromised the renderer process to bypass web origin policy via a crafted HTML page. (Chromium security severity: Medium)","publishedAt":"2026-08-25T20:10:34.129Z","updatedAt":"2026-09-17T22:39:38.065Z","severity":{"score":4.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","source":"CISA-ADP"},"assigner":"Chrome","products":["Google Chrome"],"affected":[{"vendor":"Google","product":"Chrome","versions":[{"version":"152.0.7977.65","status":"affected","lessThan":"152.0.7977.65","versionType":"custom"}]}],"references":["https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.html","https://issues.chromium.org/issues/517550421"],"weaknesses":["CWE-20"],"ingestedAt":"2026-10-29T20:13:07.220Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/78xxx/CVE-2026-78976.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-78976","state":"PUBLISHED","datePublished":"2026-08-25T20:10:34.129Z","dateUpdated":"2026-09-17T22:39:38.065Z","assignerShortName":"Chrome","assignerOrgId":"ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28","dateReserved":"2026-08-25T06:06:32.913Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Improper input validation in StorageAccessAPI in Google Chrome prior to 152.0.7977.65 allowed a remote attacker who had compromised the renderer process to bypass web origin policy via a crafted HTML page. (Chromium security severity: Medium)"}],"affected":[{"vendor":"Google","product":"Chrome","versions":[{"version":"152.0.7977.65","status":"affected","lessThan":"152.0.7977.65","versionType":"custom"}]}],"references":[{"url":"https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.html"},{"url":"https://issues.chromium.org/issues/517550421"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-20","lang":"en","description":"Improper input validation"}]}],"providerMetadata":{"shortName":"Chrome","orgId":"ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28","dateUpdated":"2026-08-25T20:10:34.129Z"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":4.3,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","integrityImpact":"NONE","userInteraction":"REQUIRED","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"LOW"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-08-27T19:28:40.694448Z","id":"CVE-2026-78976","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-17T22:39:38.065Z"}}]}}}