{
  "cveId": "CVE-2026-8933",
  "url": "https://patchblox.com/security/cve/CVE-2026-8933",
  "summary": "CVE-2026-8933 is fixed in 9 products on 1 platform, first by golang-github-snapcore-snapd-dev 2.76\u002Bubuntu26.04.3, released July 21, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "golang-github-snapcore-snapd-dev: A local privilege escalation vulnerability exists in snap-confine, a set-capabilities core component used internally...",
  "description": "A local privilege escalation vulnerability exists in snap-confine, a set-capabilities core component used internally by Canonical snapd to construct the secure execution environment for snap applications. This vulnerability uniquely affects versions of snap-confine configured with set-capabilities (rather than standard set-uid-root installations). Due to a flaw in how privilege boundaries or security sandboxes are initialized when the binary runs under limited ambient capabilities, a local, unprivileged attacker can exploit this behavior to bypass intended restrictions and execute arbitrary code. Successful exploitation allows the local user to elevate their privileges to full root authority.",
  "published": "2026-07-21T07:00:00Z",
  "severity": "High",
  "cvss": 7.8,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
  "epss": 0.00178,
  "epssPercentile": 0.07366,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "golang-github-snapcore-snapd-dev",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "2.76\u002Bubuntu22.04.1",
      "fix": "golang-github-snapcore-snapd-dev 2.76\u002Bubuntu22.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-golang-github-snapcore-snapd-dev-2.76-ubuntu22.04.1",
      "released": "2026-07-23T13:24:29Z"
    },
    {
      "platform": "linux",
      "product": "golang-github-snapcore-snapd-dev",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "2.76\u002Bubuntu24.04.1",
      "fix": "golang-github-snapcore-snapd-dev 2.76\u002Bubuntu24.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-golang-github-snapcore-snapd-dev-2.76-ubuntu24.04.1",
      "released": "2026-07-23T13:24:32Z"
    },
    {
      "platform": "linux",
      "product": "golang-github-snapcore-snapd-dev",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "2.76\u002Bubuntu26.04.3",
      "fix": "golang-github-snapcore-snapd-dev 2.76\u002Bubuntu26.04.3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-golang-github-snapcore-snapd-dev-2.76-ubuntu26.04.3",
      "released": "2026-07-21T07:00:00Z"
    },
    {
      "platform": "linux",
      "product": "golang-github-ubuntu-core-snappy-dev",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "2.76\u002Bubuntu22.04.1",
      "fix": "golang-github-ubuntu-core-snappy-dev 2.76\u002Bubuntu22.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-golang-github-ubuntu-core-snappy-dev-2.76-ubuntu22.04.1",
      "released": "2026-07-23T13:24:29Z"
    },
    {
      "platform": "linux",
      "product": "golang-github-ubuntu-core-snappy-dev",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "2.76\u002Bubuntu24.04.1",
      "fix": "golang-github-ubuntu-core-snappy-dev 2.76\u002Bubuntu24.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-golang-github-ubuntu-core-snappy-dev-2.76-ubuntu24.04.1",
      "released": "2026-07-23T13:24:32Z"
    },
    {
      "platform": "linux",
      "product": "snap-confine",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "2.76\u002Bubuntu22.04.1",
      "fix": "snap-confine 2.76\u002Bubuntu22.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-snap-confine-2.76-ubuntu22.04.1",
      "released": "2026-07-23T13:24:29Z"
    },
    {
      "platform": "linux",
      "product": "snap-confine",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "2.76\u002Bubuntu24.04.1",
      "fix": "snap-confine 2.76\u002Bubuntu24.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-snap-confine-2.76-ubuntu24.04.1",
      "released": "2026-07-23T13:24:32Z"
    },
    {
      "platform": "linux",
      "product": "snapd",
      "release": "Debian 14",
      "fixedVersion": "2.76.3-1",
      "fix": "DEBIAN-CVE-2026-8933",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-8933",
      "released": "2026-07-21T15:16:39Z"
    },
    {
      "platform": "linux",
      "product": "snapd",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "2.76\u002Bubuntu22.04.1",
      "fix": "snapd 2.76\u002Bubuntu22.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-snapd-2.76-ubuntu22.04.1",
      "released": "2026-07-23T13:24:29Z"
    },
    {
      "platform": "linux",
      "product": "snapd",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "2.76\u002Bubuntu24.04.1",
      "fix": "snapd 2.76\u002Bubuntu24.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-snapd-2.76-ubuntu24.04.1",
      "released": "2026-07-23T13:24:32Z"
    },
    {
      "platform": "linux",
      "product": "snapd",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "2.76\u002Bubuntu26.04.3",
      "fix": "snapd 2.76\u002Bubuntu26.04.3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-snapd-2.76-ubuntu26.04.3",
      "released": "2026-07-21T07:00:00Z"
    },
    {
      "platform": "linux",
      "product": "snapd-xdg-open",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "2.76\u002Bubuntu22.04.1",
      "fix": "snapd-xdg-open 2.76\u002Bubuntu22.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-snapd-xdg-open-2.76-ubuntu22.04.1",
      "released": "2026-07-23T13:24:29Z"
    },
    {
      "platform": "linux",
      "product": "snapd-xdg-open",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "2.76\u002Bubuntu24.04.1",
      "fix": "snapd-xdg-open 2.76\u002Bubuntu24.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-snapd-xdg-open-2.76-ubuntu24.04.1",
      "released": "2026-07-23T13:24:32Z"
    },
    {
      "platform": "linux",
      "product": "ubuntu-core-launcher",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "2.76\u002Bubuntu22.04.1",
      "fix": "ubuntu-core-launcher 2.76\u002Bubuntu22.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-ubuntu-core-launcher-2.76-ubuntu22.04.1",
      "released": "2026-07-23T13:24:29Z"
    },
    {
      "platform": "linux",
      "product": "ubuntu-core-launcher",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "2.76\u002Bubuntu24.04.1",
      "fix": "ubuntu-core-launcher 2.76\u002Bubuntu24.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-ubuntu-core-launcher-2.76-ubuntu24.04.1",
      "released": "2026-07-23T13:24:32Z"
    },
    {
      "platform": "linux",
      "product": "ubuntu-core-snapd-units",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "2.76\u002Bubuntu22.04.1",
      "fix": "ubuntu-core-snapd-units 2.76\u002Bubuntu22.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-ubuntu-core-snapd-units-2.76-ubuntu22.04.1",
      "released": "2026-07-23T13:24:29Z"
    },
    {
      "platform": "linux",
      "product": "ubuntu-core-snapd-units",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "2.76\u002Bubuntu24.04.1",
      "fix": "ubuntu-core-snapd-units 2.76\u002Bubuntu24.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-ubuntu-core-snapd-units-2.76-ubuntu24.04.1",
      "released": "2026-07-23T13:24:32Z"
    },
    {
      "platform": "linux",
      "product": "ubuntu-snappy",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "2.76\u002Bubuntu22.04.1",
      "fix": "ubuntu-snappy 2.76\u002Bubuntu22.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-ubuntu-snappy-2.76-ubuntu22.04.1",
      "released": "2026-07-23T13:24:29Z"
    },
    {
      "platform": "linux",
      "product": "ubuntu-snappy",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "2.76\u002Bubuntu24.04.1",
      "fix": "ubuntu-snappy 2.76\u002Bubuntu24.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-ubuntu-snappy-2.76-ubuntu24.04.1",
      "released": "2026-07-23T13:24:32Z"
    },
    {
      "platform": "linux",
      "product": "ubuntu-snappy-cli",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "2.76\u002Bubuntu22.04.1",
      "fix": "ubuntu-snappy-cli 2.76\u002Bubuntu22.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-ubuntu-snappy-cli-2.76-ubuntu22.04.1",
      "released": "2026-07-23T13:24:29Z"
    },
    {
      "platform": "linux",
      "product": "ubuntu-snappy-cli",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "2.76\u002Bubuntu24.04.1",
      "fix": "ubuntu-snappy-cli 2.76\u002Bubuntu24.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-ubuntu-snappy-cli-2.76-ubuntu24.04.1",
      "released": "2026-07-23T13:24:32Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T00:53:09Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}