{"id":"CVE-2026-87439","title":"Information leak in ServiceWorker in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to obtain sensitive information via a crafted HTML page","summary":"Information leak in ServiceWorker in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to obtain 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-200"],"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":"2026-09-09T16:37:04.010","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-87439","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/517415433","label":"chrome-cve-admin@google.com"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-87439.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-87439"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-87439"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-09T14:34:06.062775Z"},"epss":0.00311,"epssPercentile":0.24172,"scores":{"nvd":5.3,"vendor":4.9,"adp":5.3},"ingestedAt":"2026-09-09T01:17:17.508Z","slug":"CVE-2026-87439","body":"## Overview\n\nInformation leak in ServiceWorker in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to obtain 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-2026-87439.json)","depth":"sunlit","depthScore":29,"depthScoreParts":{"impact":29.2,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[{"seq":202183,"id":"CVE-2026-87439","ts":1789400064967,"field":"cvss","old":null,"new":"5.3"},{"seq":202182,"id":"CVE-2026-87439","ts":1789400064967,"field":"severity","old":"none","new":"medium"},{"seq":200910,"id":"CVE-2026-87439","ts":1789397618472,"field":"cvss","old":"5.3","new":null},{"seq":200909,"id":"CVE-2026-87439","ts":1789397618472,"field":"severity","old":"medium","new":"none"},{"seq":199603,"id":"CVE-2026-87439","ts":1789395561155,"field":"cvss","old":null,"new":"5.3"},{"seq":199602,"id":"CVE-2026-87439","ts":1789395561155,"field":"severity","old":"none","new":"medium"},{"seq":198848,"id":"CVE-2026-87439","ts":1789392249546,"field":"cvss","old":"5.3","new":null},{"seq":198847,"id":"CVE-2026-87439","ts":1789392249546,"field":"severity","old":"medium","new":"none"},{"seq":197181,"id":"CVE-2026-87439","ts":1789384295957,"field":"cvss","old":null,"new":"5.3"},{"seq":197180,"id":"CVE-2026-87439","ts":1789384295957,"field":"severity","old":"none","new":"medium"},{"seq":196455,"id":"CVE-2026-87439","ts":1789383757805,"field":"cvss","old":"5.3","new":null},{"seq":196454,"id":"CVE-2026-87439","ts":1789383757805,"field":"severity","old":"medium","new":"none"},{"seq":195359,"id":"CVE-2026-87439","ts":1789380576763,"field":"cvss","old":null,"new":"5.3"},{"seq":195358,"id":"CVE-2026-87439","ts":1789380576763,"field":"severity","old":"none","new":"medium"},{"seq":194310,"id":"CVE-2026-87439","ts":1789378785117,"field":"cvss","old":"5.3","new":null},{"seq":194309,"id":"CVE-2026-87439","ts":1789378785117,"field":"severity","old":"medium","new":"none"},{"seq":193097,"id":"CVE-2026-87439","ts":1789376519878,"field":"cvss","old":null,"new":"5.3"},{"seq":193096,"id":"CVE-2026-87439","ts":1789376519878,"field":"severity","old":"none","new":"medium"},{"seq":191884,"id":"CVE-2026-87439","ts":1789373633363,"field":"cvss","old":"5.3","new":null},{"seq":191883,"id":"CVE-2026-87439","ts":1789373633363,"field":"severity","old":"medium","new":"none"},{"seq":190669,"id":"CVE-2026-87439","ts":1789369486417,"field":"cvss","old":null,"new":"5.3"},{"seq":190668,"id":"CVE-2026-87439","ts":1789369486417,"field":"severity","old":"none","new":"medium"},{"seq":189456,"id":"CVE-2026-87439","ts":1789368450688,"field":"cvss","old":"5.3","new":null},{"seq":189455,"id":"CVE-2026-87439","ts":1789368450688,"field":"severity","old":"medium","new":"none"},{"seq":188239,"id":"CVE-2026-87439","ts":1789365235857,"field":"cvss","old":null,"new":"5.3"},{"seq":188238,"id":"CVE-2026-87439","ts":1789365235857,"field":"severity","old":"none","new":"medium"},{"seq":187026,"id":"CVE-2026-87439","ts":1789363473173,"field":"cvss","old":"5.3","new":null},{"seq":187025,"id":"CVE-2026-87439","ts":1789363473173,"field":"severity","old":"medium","new":"none"},{"seq":185812,"id":"CVE-2026-87439","ts":1789361234490,"field":"cvss","old":null,"new":"5.3"},{"seq":185811,"id":"CVE-2026-87439","ts":1789361234490,"field":"severity","old":"none","new":"medium"},{"seq":184599,"id":"CVE-2026-87439","ts":1789358366404,"field":"cvss","old":"5.3","new":null},{"seq":184598,"id":"CVE-2026-87439","ts":1789358366404,"field":"severity","old":"medium","new":"none"},{"seq":182849,"id":"CVE-2026-87439","ts":1789354322229,"field":"cvss","old":null,"new":"5.3"},{"seq":182848,"id":"CVE-2026-87439","ts":1789354322229,"field":"severity","old":"none","new":"medium"},{"seq":181642,"id":"CVE-2026-87439","ts":1789353325204,"field":"cvss","old":"5.3","new":null},{"seq":181641,"id":"CVE-2026-87439","ts":1789353325204,"field":"severity","old":"medium","new":"none"},{"seq":180435,"id":"CVE-2026-87439","ts":1789350289817,"field":"cvss","old":null,"new":"5.3"},{"seq":180434,"id":"CVE-2026-87439","ts":1789350289817,"field":"severity","old":"none","new":"medium"},{"seq":179228,"id":"CVE-2026-87439","ts":1789348296530,"field":"cvss","old":"5.3","new":null},{"seq":179227,"id":"CVE-2026-87439","ts":1789348296530,"field":"severity","old":"medium","new":"none"},{"seq":178021,"id":"CVE-2026-87439","ts":1789346376870,"field":"cvss","old":null,"new":"5.3"},{"seq":178020,"id":"CVE-2026-87439","ts":1789346376870,"field":"severity","old":"none","new":"medium"},{"seq":176814,"id":"CVE-2026-87439","ts":1789343186527,"field":"cvss","old":"5.3","new":null},{"seq":176813,"id":"CVE-2026-87439","ts":1789343186527,"field":"severity","old":"medium","new":"none"},{"seq":174931,"id":"CVE-2026-87439","ts":1789334883386,"field":"cvss","old":null,"new":"5.3"},{"seq":174930,"id":"CVE-2026-87439","ts":1789334883386,"field":"severity","old":"none","new":"medium"},{"seq":173726,"id":"CVE-2026-87439","ts":1789333702602,"field":"cvss","old":"5.3","new":null},{"seq":173725,"id":"CVE-2026-87439","ts":1789333702602,"field":"severity","old":"medium","new":"none"},{"seq":172540,"id":"CVE-2026-87439","ts":1789331095845,"fiel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