CVE-2026-82474 Sudo through 1.9.17p2 Intercept Policy Bypass via execveat
Attackers can bypass sudo intercept policies and logging by using execveat, allowing execution of denied programs and potential privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-82474?
CVE-2026-82474 is a high-severity vulnerability in sudo-project sudo, published on 29 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Sudo through 1.9.17p2 fails to apply intercept policy checks to the execveat system call in ptrace-based intercept mode. Users permitted to run specific commands can execute denied programs by calling execveat directly or through fexecve, bypassing policy enforcement and logging.
Weakness: CWE-693
Which versions are affected by CVE-2026-82474?
Linux distribution packages (24)
sudo AlmaLinux:10 | All versions | 1.9.17-10.p2.el10_2.6 |
sudo-python-plugin AlmaLinux:10 | All versions | 1.9.17-10.p2.el10_2.6 |
sudo AlmaLinux:9 | All versions | 1.9.17p2-3.el9_8.1 |
sudo-python-plugin AlmaLinux:9 | All versions | 1.9.17p2-3.el9_8.1 |
sudo Red Hat:enterprise_linux:10.2 | All versions | 0:1.9.17-10.p2.el10_2.6 |
sudo-debuginfo Red Hat:enterprise_linux:10.2 | All versions | 0:1.9.17-10.p2.el10_2.6 |
sudo-debugsource Red Hat:enterprise_linux:10.2 | All versions | 0:1.9.17-10.p2.el10_2.6 |
sudo-python-plugin Red Hat:enterprise_linux:10.2 | All versions | 0:1.9.17-10.p2.el10_2.6 |
sudo-python-plugin-debuginfo Red Hat:enterprise_linux:10.2 | All versions | 0:1.9.17-10.p2.el10_2.6 |
sudo-debuginfo Red Hat:enterprise_linux:9::appstream | All versions | 0:1.9.17p2-3.el9_8.1 |
sudo-debugsource Red Hat:enterprise_linux:9::appstream | All versions | 0:1.9.17p2-3.el9_8.1 |
sudo-python-plugin Red Hat:enterprise_linux:9::appstream | All versions | 0:1.9.17p2-3.el9_8.1 |
sudo-python-plugin-debuginfo Red Hat:enterprise_linux:9::appstream | All versions | 0:1.9.17p2-3.el9_8.1 |
sudo Red Hat:enterprise_linux:9::baseos | All versions | 0:1.9.17p2-3.el9_8.1 |
sudo-debuginfo Red Hat:enterprise_linux:9::baseos | All versions | 0:1.9.17p2-3.el9_8.1 |
sudo-debugsource Red Hat:enterprise_linux:9::baseos | All versions | 0:1.9.17p2-3.el9_8.1 |
sudo-python-plugin-debuginfo Red Hat:enterprise_linux:9::baseos | All versions | 0:1.9.17p2-3.el9_8.1 |
sudo Red Hat:enterprise_linux_eus:10.0 | All versions | 0:1.9.15-8.p5.el10_0.4 |
sudo-debuginfo Red Hat:enterprise_linux_eus:10.0 | All versions | 0:1.9.15-8.p5.el10_0.4 |
sudo-debugsource Red Hat:enterprise_linux_eus:10.0 | All versions | 0:1.9.15-8.p5.el10_0.4 |
sudo-python-plugin Red Hat:enterprise_linux_eus:10.0 | All versions | 0:1.9.15-8.p5.el10_0.4 |
sudo-python-plugin-debuginfo Red Hat:enterprise_linux_eus:10.0 | All versions | 0:1.9.15-8.p5.el10_0.4 |
sudo Rocky Linux:10 | All versions | 0:1.9.17-10.p2.el10_2.6 |
sudo Rocky Linux:9 | All versions | 0:1.9.17p2-3.el9_8.1 |
How do I fix CVE-2026-82474?
Apply the vendor's patch.
Is CVE-2026-82474 being exploited?
There is no known exploitation of CVE-2026-82474 in the wild and no public exploit code.
Sources
Also known as ALSA-2026:68692, ALSA-2026:69123, AZL-98225, BELL-CVE-2026-82474, DEBIAN-CVE-2026-82474, ECHO-6900-bd3b-3ec6 and 12 more.