CVE-2026-72462
AppArmor unix-socket race may allow policy bypass or unauthorized socket access
Is CVE-2026-72462 being exploited?
Not confirmed. CVE-2026-72462 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.13% probability of exploitation in the next 30 days.
How severe is CVE-2026-72462?
CVE-2026-72462 is rated High with a CVSS score of 8.8. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-72462?
Yes. A fix has been recorded for CVE-2026-72462. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-72462 affect?
CVE-2026-72462 affects Linux kernel (AppArmor enabled), Linux distributions using AppArmor (e.g., Ubuntu, SUSE). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-72462?
Install vendor kernel/AppArmor updates and reboot affected hosts.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Local attacker can race AppArmor unix-socket mediation to bypass policy, access restricted sockets or escalate privileges.
Immediate action required
- affected>= bc6e5f6933b8e7b74858ac830d5b9b4ca10a099a and < d8ea44f6090c087fe255d9512fb808574b4d88e8
- affected>= bc6e5f6933b8e7b74858ac830d5b9b4ca10a099a and < d680472db98823d90fc91362910901e468269318
- affected>= bc6e5f6933b8e7b74858ac830d5b9b4ca10a099a and < b1aea2c1960771a276d7e68c7424168eccd0c3da
- affected6.17
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.