{"id":"CVE-2026-58826","aliases":["A-498850457","ASB-A-498850457","EUVD-2026-115584","GHSA-gf46-g52c-3fh7"],"status":"published","title":"In ksys_unshare of fork.c, there is a possible memory corruption due to a use after free. This...","description":"In ksys_unshare of fork.c, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.","severity":{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.00179,"percentile":0.07578,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-416"],"published":"2026-11-01T00:00:00Z","modified":"2026-11-09T14:23:36Z","fixes":[{"ecosystem":"Android","package":":linux_kernel:","fixed_in":[":2026-11-05"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Android","package":":linux_kernel:","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":":0"},{"fixed":":2026-11-05"}]}],"versions":["Kernel"]}],"products":[{"vendor":"google","product":"android"}],"references":[{"url":"https://android.googlesource.com/kernel/common/+/13beada2dac38c2d7303f1700aa16fb5053b919d","tags":["Patch","fix"]},{"url":"https://android.googlesource.com/kernel/common/+/efe16a3021b9f95eb1cb83e98d0d1db9bff94ce4","tags":["Patch","fix"]},{"url":"https://android.googlesource.com/kernel/common/+/f7d26609785ce56170645d56f306db38e8ba277a","tags":["Patch","fix"]},{"url":"https://android.googlesource.com/kernel/common/+/009c5006c969826d37a2c5fc2721a7bb20d72555","tags":["Patch","fix"]},{"url":"https://source.android.com/docs/security/bulletin/2026/2026-11-01","tags":["Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-58826"},{"url":"https://github.com/advisories/GHSA-gf46-g52c-3fh7"},{"url":"https://source.android.com/security/bulletin/2026-11-01","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-58826","description":"In ksys_unshare of fork.c, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2026-11-02T19:53:41.509Z","modified":"2026-11-03T04:56:41.036Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-416"],"updated_at":"2026-11-03T06:40:44.279652Z"}],"euvd":[{"id":"EUVD-2026-115584","description":"In ksys_unshare of fork.c, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2026-11-02T19:53:41Z","modified":"2026-11-03T04:56:41Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T06:45:42.278982Z"}],"ghsa":[{"id":"GHSA-gf46-g52c-3fh7","title":"In ksys_unshare of fork.c, there is a possible memory corruption due to a use after free. This...","description":"In ksys_unshare of fork.c, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2026-11-02T21:32:01Z","modified":"2026-11-02T21:32:02Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-416"],"updated_at":"2026-11-03T00:02:47.574481Z"}],"nvd":[{"id":"CVE-2026-58826","description":"In ksys_unshare of fork.c, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2026-11-02T20:17:47.573Z","modified":"2026-11-09T14:23:36.5Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-416"],"updated_at":"2026-11-09T16:14:54.431469Z"}],"osv":[{"id":"ASB-A-498850457","description":"In ksys_unshare of fork.c, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2026-11-01T00:00:00Z","modified":"2026-11-10T17:02:23.040266809Z","updated_at":"2026-11-10T17:35:07.135383Z"}]}}