{"id":"CVE-2026-87453","title":"Confused deputy in BackgroundFetch in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to leak sensitive information via a crafted HTML page","summary":"Confused deputy in BackgroundFetch in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to leak sensitive information via a crafted HTML page. (Chromium security severity: Medium)","severity":"medium","cvss":5.3,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N","cwe":["CWE-441"],"vendor":"google","product":"chrome","affected":["chrome < 153.0.8010.36"],"patched":["chrome 153.0.8010.36"],"published":"2026-09-09","updated":"2026-09-09","sourceUpdated":"2026-09-09T16:52:26.700","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-87453","references":[{"url":"https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html","label":"chrome-cve-admin@google.com"},{"url":"https://issues.chromium.org/issues/495444970","label":"chrome-cve-admin@google.com"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-87453.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-87453"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-87453"}],"tags":["nvd","cve.org","csaf","vex","red-hat","score-dispute"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-09T15:02:37.234067Z"},"epss":0.00256,"epssPercentile":0.17589,"scores":{"nvd":5.3,"adp":5.3,"vendor":7.7},"ingestedAt":"2026-09-09T01:17:17.511Z","slug":"CVE-2026-87453","body":"## Overview\n\nConfused deputy in BackgroundFetch in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to leak sensitive information via a crafted HTML page. (Chromium security severity: Medium)\n\n## Affected\n\n- `chrome < 153.0.8010.36`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `chrome 153.0.8010.36`\n\n## Vendor advisories\n\n- **Red Hat VEX** · updated 2026-09-09 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-87453.json)","depth":"sunlit","depthScore":29,"depthScoreParts":{"impact":29.2,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[{"seq":202211,"id":"CVE-2026-87453","ts":1789400065076,"field":"cvss","old":null,"new":"5.3"},{"seq":202210,"id":"CVE-2026-87453","ts":1789400065076,"field":"severity","old":"none","new":"medium"},{"seq":200938,"id":"CVE-2026-87453","ts":1789397618672,"field":"cvss","old":"5.3","new":null},{"seq":200937,"id":"CVE-2026-87453","ts":1789397618672,"field":"severity","old":"medium","new":"none"},{"seq":199631,"id":"CVE-2026-87453","ts":1789395563341,"field":"cvss","old":null,"new":"5.3"},{"seq":199630,"id":"CVE-2026-87453","ts":1789395563341,"field":"severity","old":"none","new":"medium"},{"seq":198876,"id":"CVE-2026-87453","ts":1789392251670,"field":"cvss","old":"5.3","new":null},{"seq":198875,"id":"CVE-2026-87453","ts":1789392251670,"field":"severity","old":"medium","new":"none"},{"seq":197209,"id":"CVE-2026-87453","ts":1789384296046,"field":"cvss","old":null,"new":"5.3"},{"seq":197208,"id":"CVE-2026-87453","ts":1789384296046,"field":"severity","old":"none","new":"medium"},{"seq":196483,"id":"CVE-2026-87453","ts":1789383757900,"field":"cvss","old":"5.3","new":null},{"seq":196482,"id":"CVE-2026-87453","ts":1789383757900,"field":"severity","old":"medium","new":"none"},{"seq":195387,"id":"CVE-2026-87453","ts":1789380576860,"field":"cvss","old":null,"new":"5.3"},{"seq":195386,"id":"CVE-2026-87453","ts":1789380576860,"field":"severity","old":"none","new":"medium"},{"seq":194338,"id":"CVE-2026-87453","ts":1789378785314,"field":"cvss","old":"5.3","new":null},{"seq":194337,"id":"CVE-2026-87453","ts":1789378785314,"field":"severity","old":"medium","new":"none"},{"seq":193125,"id":"CVE-2026-87453","ts":1789376519977,"field":"cvss","old":null,"new":"5.3"},{"seq":193124,"id":"CVE-2026-87453","ts":1789376519977,"field":"severity","old":"none","new":"medium"},{"seq":191912,"id":"CVE-2026-87453","ts":1789373633561,"field":"cvss","old":"5.3","new":null},{"seq":191911,"id":"CVE-2026-87453","ts":1789373633561,"field":"severity","old":"medium","new":"none"},{"seq":190697,"id":"CVE-2026-87453","ts":1789369486546,"field":"cvss","old":null,"new":"5.3"},{"seq":190696,"id":"CVE-2026-87453","ts":1789369486546,"field":"severity","old":"none","new":"medium"},{"seq":189484,"id":"CVE-2026-87453","ts":1789368452636,"field":"cvss","old":"5.3","new":null},{"seq":189483,"id":"CVE-2026-87453","ts":1789368452636,"field":"severity","old":"medium","new":"none"},{"seq":188267,"id":"CVE-2026-87453","ts":1789365235958,"field":"cvss","old":null,"new":"5.3"},{"seq":188266,"id":"CVE-2026-87453","ts":1789365235958,"field":"severity","old":"none","new":"medium"},{"seq":187054,"id":"CVE-2026-87453","ts":1789363473370,"field":"cvss","old":"5.3","new":null},{"seq":187053,"id":"CVE-2026-87453","ts":1789363473370,"field":"severity","old":"medium","new":"none"},{"seq":185840,"id":"CVE-2026-87453","ts":1789361234584,"field":"cvss","old":null,"new":"5.3"},{"seq":185839,"id":"CVE-2026-87453","ts":1789361234584,"field":"severity","old":"none","new":"medium"},{"seq":184627,"id":"CVE-2026-87453","ts":1789358368700,"field":"cvss","old":"5.3","new":null},{"seq":184626,"id":"CVE-2026-87453","ts":1789358368700,"field":"severity","old":"medium","new":"none"},{"seq":182877,"id":"CVE-2026-87453","ts":1789354322342,"field":"cvss","old":null,"new":"5.3"},{"seq":182876,"id":"CVE-2026-87453","ts":1789354322342,"field":"severity","old":"none","new":"medium"},{"seq":181670,"id":"CVE-2026-87453","ts":1789353327064,"field":"cvss","old":"5.3","new":null},{"seq":181669,"id":"CVE-2026-87453","ts":1789353327064,"field":"severity","old":"medium","new":"none"},{"seq":180463,"id":"CVE-2026-87453","ts":1789350289910,"field":"cvss","old":null,"new":"5.3"},{"seq":180462,"id":"CVE-2026-87453","ts":1789350289910,"field":"severity","old":"none","new":"medium"},{"seq":179256,"id":"CVE-2026-87453","ts":1789348298763,"field":"cvss","old":"5.3","new":null},{"seq":179255,"id":"CVE-2026-87453","ts":1789348298763,"field":"severity","old":"medium","new":"none"},{"seq":178049,"id":"CVE-2026-87453","ts":1789346376967,"field":"cvss","old":null,"new":"5.3"},{"seq":178048,"id":"CVE-2026-87453","ts":1789346376967,"field":"severity","old":"none","new":"medium"},{"seq":176842,"id":"CVE-2026-87453","ts":1789343186723,"field":"cvss","old":"5.3","new":null},{"seq":176841,"id":"CVE-2026-87453","ts":1789343186723,"field":"severity","old":"medium","new":"none"},{"seq":174959,"id":"CVE-2026-87453","ts":1789334883499,"field":"cvss","old":null,"new":"5.3"},{"seq":174958,"id":"CVE-2026-87453","ts":1789334883499,"field":"severity","old":"none","new":"medium"},{"seq":173754,"id":"CVE-2026-87453","ts":1789333702706,"field":"cvss","old":"5.3","new":null},{"seq":173753,"id":"CVE-2026-87453","ts":1789333702706,"field":"severity","old":"medium","new":"none"},{"seq":172568,"id":"CVE-2026-87453","ts":1789331095940,"fiel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