{"id":"CVE-2022-26756","aliases":["EUVD-2022-31306","GHSA-8rh2-5497-2xf9"],"status":"published","title":"An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in...","description":"An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in Security Update 2022-004 Catalina, macOS Monterey 12.4, macOS Big Sur 11.6.6. An application may be able to execute arbitrary code with kernel privileges.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01059,"percentile":0.64768,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2022-05-26T19:17:16Z","modified":"2026-06-17T04:35:44Z","products":[{"vendor":"apple","product":"mac_os_x"},{"vendor":"apple","product":"macos"},{"vendor":"apple","product":"security update - catalina"}],"references":[{"url":"https://support.apple.com/en-us/HT213255","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT213256","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT213257","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-26756"},{"url":"https://github.com/advisories/GHSA-8rh2-5497-2xf9"}],"sources":{"cve":[{"id":"CVE-2022-26756","description":"An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in Security Update 2022-004 Catalina, macOS Monterey 12.4, macOS Big Sur 11.6.6. An application may be able to execute arbitrary code with kernel privileges.","status":"published","published":"2022-05-26T19:17:16Z","modified":"2024-08-03T05:11:45.093Z","updated_at":"2026-11-02T14:34:25.954329Z"}],"euvd":[{"id":"EUVD-2022-31306","description":"An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in Security Update 2022-004 Catalina, macOS Monterey 12.4, macOS Big Sur 11.6.6. An application may be able to execute arbitrary code with kernel privileges.","status":"published","published":"2022-05-26T19:17:16Z","modified":"2024-08-03T05:11:45Z","updated_at":"2026-11-03T03:25:44.099503Z"}],"ghsa":[{"id":"GHSA-8rh2-5497-2xf9","title":"An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in...","description":"An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in Security Update 2022-004 Catalina, macOS Monterey 12.4, macOS Big Sur 11.6.6. An application may be able to execute arbitrary code with kernel privileges.","status":"published","published":"2022-05-27T00:00:31Z","modified":"2023-01-27T05:03:09Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:42:11.230183Z"}],"nvd":[{"id":"CVE-2022-26756","description":"An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in Security Update 2022-004 Catalina, macOS Monterey 12.4, macOS Big Sur 11.6.6. An application may be able to execute arbitrary code with kernel privileges.","status":"published","published":"2022-05-26T20:15:09.38Z","modified":"2026-06-17T04:35:44.853Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:07:21.261605Z"}]}}