{"id":"CVE-2026-34863","aliases":["EUVD-2026-21844","GHSA-m263-6xmg-c437"],"status":"published","title":"Out-of-bounds write vulnerability in the file system.\nImpact: Successful exploitation of this...","description":"Out-of-bounds write vulnerability in the file system.\nImpact: Successful exploitation of this vulnerability may affect availability.","severity":{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00079,"percentile":0.00139,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2026-04-13T04:10:27Z","modified":"2026-10-26T00:10:00Z","products":[{"vendor":"huawei","product":"harmonyos"}],"references":[{"url":"https://consumer.huawei.com/en/support/bulletin/2026/4/","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-34863"},{"url":"https://consumer.huawei.com/en/support/bulletin/2026/4"},{"url":"https://github.com/advisories/GHSA-m263-6xmg-c437"}],"sources":{"cve":[{"id":"CVE-2026-34863","description":"Out-of-bounds write vulnerability in the file system.\nImpact: Successful exploitation of this vulnerability may affect availability.","status":"published","published":"2026-04-13T04:10:27.152Z","modified":"2026-04-13T13:18:49.707Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:20:14.302133Z"}],"euvd":[{"id":"EUVD-2026-21844","description":"Out-of-bounds write vulnerability in the file system.\nImpact: Successful exploitation of this vulnerability may affect availability.","status":"published","published":"2026-04-13T04:10:27Z","modified":"2026-04-13T13:18:49Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"updated_at":"2026-11-02T19:24:29.371024Z"}],"ghsa":[{"id":"GHSA-m263-6xmg-c437","title":"Out-of-bounds write vulnerability in the file system.\nImpact: Successful exploitation of this...","description":"Out-of-bounds write vulnerability in the file system.\nImpact: Successful exploitation of this vulnerability may affect availability.","status":"published","published":"2026-04-13T06:30:30Z","modified":"2026-04-13T06:30:37Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T15:07:26.169567Z"}],"nvd":[{"id":"CVE-2026-34863","description":"Out-of-bounds write vulnerability in the file system.\nImpact: Successful exploitation of this vulnerability may affect availability.","status":"published","published":"2026-04-13T05:16:04.25Z","modified":"2026-10-26T00:10:00.15Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:12:14.37744Z"}]}}