CVE & CISA-KEV Catalog

CVE-2026-35535

HIGH
7.4
CVSS v3
NVD

Description

In Sudo through 1.9.17p2 before 3e474c2, a failure of a setuid, setgid, or setgroups call, during a privilege drop before running the mailer, is not a fatal error and can lead to privilege escalation.

How to fix

Remediation Available
sudoAmazon
Fixed in:0:1.9.15-1.p5.amzn2023.0.3
Fixed in:0:1.9.15-1.p5.amzn2023.0.3
sudo-debuginfoAmazon
Fixed in:0:1.9.15-1.p5.amzn2023.0.3
Fixed in:0:1.9.15-1.p5.amzn2023.0.3
sudo-debugsourceAmazon
Fixed in:0:1.9.15-1.p5.amzn2023.0.3
Fixed in:0:1.9.15-1.p5.amzn2023.0.3
sudo-develAmazon
Fixed in:0:1.9.15-1.p5.amzn2023.0.3
Fixed in:0:1.9.15-1.p5.amzn2023.0.3
sudo-logsrvdAmazon
Fixed in:0:1.9.15-1.p5.amzn2023.0.3
Fixed in:0:1.9.15-1.p5.amzn2023.0.3
sudo-logsrvd-debuginfoAmazon
Fixed in:0:1.9.15-1.p5.amzn2023.0.3
Fixed in:0:1.9.15-1.p5.amzn2023.0.3
sudo-python-pluginAmazon
Fixed in:0:1.9.15-1.p5.amzn2023.0.3
Fixed in:0:1.9.15-1.p5.amzn2023.0.3
sudo-python-plugin-debuginfoAmazon
Fixed in:0:1.9.15-1.p5.amzn2023.0.3
Fixed in:0:1.9.15-1.p5.amzn2023.0.3
sudoDebian
Fixed in:1.9.13p3-1+deb12u4CVE-2026-35535
Fixed in:1.9.16p2-3+deb13u2CVE-2026-35535
Fixed in:1.9.17p2-5CVE-2026-35535
registry.redhat.io/rhaiis/vllmRed Hat / RHEL
Fixed in:rocm-rhel9@sha256:993e84c73225a7c5e2df63756643a26b054b665eb6c15599d9decbbce91b6863_amd64RHSA-2026:30088
registry.redhat.io/rhaiis/vllmRocky
Fixed in:rocm-rhel9@sha256:993e84c73225a7c5e2df63756643a26b054b665eb6c15599d9decbbce91b6863_amd64RHSA-2026:30088
registry.redhat.io/rhui5/cdsRed Hat / RHEL
Fixed in:rhel9@sha256:29229a9b1908d9586aa60ae96ea4cab29316c058665ea4e10bd7d88e3434f38a_amd64RHSA-2026:21275
Fixed in:tp-rhel9@sha256:9160d973640e48fd9d72f92f5395f2d61f54fa2dae7dce4e6658dfc420f53088_amd64RHSA-2026:58981
registry.redhat.io/rhui5/cdsRocky
Fixed in:rhel9@sha256:29229a9b1908d9586aa60ae96ea4cab29316c058665ea4e10bd7d88e3434f38a_amd64RHSA-2026:21275
Fixed in:tp-rhel9@sha256:9160d973640e48fd9d72f92f5395f2d61f54fa2dae7dce4e6658dfc420f53088_amd64RHSA-2026:58981
registry.redhat.io/rhui5/cds-kubernetesRed Hat / RHEL
Fixed in:tp-rhel9@sha256:6b19042f120e63358cf2cebd8c53af9e75a5a34a7cfde642c3a88a5ddadf94a0_amd64RHSA-2026:58981
registry.redhat.io/rhui5/cds-kubernetesRocky
Fixed in:tp-rhel9@sha256:6b19042f120e63358cf2cebd8c53af9e75a5a34a7cfde642c3a88a5ddadf94a0_amd64RHSA-2026:58981
registry.redhat.io/rhui5/haproxyRocky
Fixed in:rhel9@sha256:eeceb83a297bdb2778a63fa0e55d441ba316b77be786280746348fdcdeae866d_amd64RHSA-2026:21275
registry.redhat.io/rhui5/haproxyRed Hat / RHEL
Fixed in:rhel9@sha256:eeceb83a297bdb2778a63fa0e55d441ba316b77be786280746348fdcdeae866d_amd64RHSA-2026:21275
registry.redhat.io/rhui5/installerRed Hat / RHEL
Fixed in:tp-rhel9@sha256:9a9560142c4c4023279a47bdb144a7f4c2f3e7c96fcac281c29f93b4b21ef235_amd64RHSA-2026:58981
Fixed in:rhel9@sha256:fb8d5c681efa515095f164334fde48bb2c4160069ba7512ddbf16a865c65ae17_amd64RHSA-2026:21275
registry.redhat.io/rhui5/installerRocky
Fixed in:tp-rhel9@sha256:9a9560142c4c4023279a47bdb144a7f4c2f3e7c96fcac281c29f93b4b21ef235_amd64RHSA-2026:58981
Fixed in:rhel9@sha256:fb8d5c681efa515095f164334fde48bb2c4160069ba7512ddbf16a865c65ae17_amd64RHSA-2026:21275
registry.redhat.io/rhui5/rhuaRed Hat / RHEL
Fixed in:tp-rhel9@sha256:2dc99bbbcad15bd50b1ad227f6d4557f5b17fed7388e3eb127c058e3f4636b15_amd64RHSA-2026:58981
Fixed in:rhel9@sha256:ae3724c290b6e0c536cadae4dbe38fc1241fb88520db381e04bfbd1e489989e8_amd64RHSA-2026:21275
registry.redhat.io/rhui5/rhuaRocky
Fixed in:rhel9@sha256:ae3724c290b6e0c536cadae4dbe38fc1241fb88520db381e04bfbd1e489989e8_amd64RHSA-2026:21275
Fixed in:tp-rhel9@sha256:2dc99bbbcad15bd50b1ad227f6d4557f5b17fed7388e3eb127c058e3f4636b15_amd64RHSA-2026:58981
rhcos-aarch64Rocky
Fixed in:414.92.202606231112-0RHSA-2026:28887
Fixed in:416.94.202605200242-0RHSA-2026:20087
Fixed in:415.92.202606030318-0RHSA-2026:23233
Fixed in:417.94.202606250942-0RHSA-2026:34098
Fixed in:4.19.9.6.202605201155-0RHSA-2026:20040
Fixed in:418.94.202605260517-0RHSA-2026:21656
rhcos-aarch64Red Hat / RHEL
Fixed in:414.92.202606231112-0RHSA-2026:28887
Fixed in:415.92.202606030318-0RHSA-2026:23233
Fixed in:417.94.202606250942-0RHSA-2026:34098
Fixed in:416.94.202605200242-0RHSA-2026:20087
Fixed in:4.19.9.6.202605201155-0RHSA-2026:20040
Fixed in:418.94.202605260517-0RHSA-2026:21656
rhcos-ppc64leRocky
Fixed in:415.92.202606030318-0RHSA-2026:23233
Fixed in:4.19.9.6.202605201155-0RHSA-2026:20040
Fixed in:416.94.202605200242-0RHSA-2026:20087
Fixed in:417.94.202606250942-0RHSA-2026:34098
Fixed in:414.92.202606231112-0RHSA-2026:28887
Fixed in:418.94.202605260517-0RHSA-2026:21656
rhcos-ppc64leRed Hat / RHEL
Fixed in:4.19.9.6.202605201155-0RHSA-2026:20040
Fixed in:416.94.202605200242-0RHSA-2026:20087
Fixed in:415.92.202606030318-0RHSA-2026:23233
Fixed in:417.94.202606250942-0RHSA-2026:34098
Fixed in:418.94.202605260517-0RHSA-2026:21656
Fixed in:414.92.202606231112-0RHSA-2026:28887
rhcos-s390xRed Hat / RHEL
Fixed in:418.94.202605260517-0RHSA-2026:21656
Fixed in:414.92.202606231112-0RHSA-2026:28887
Fixed in:415.92.202606030318-0RHSA-2026:23233
Fixed in:4.19.9.6.202605201155-0RHSA-2026:20040
Fixed in:417.94.202606250942-0RHSA-2026:34098
Fixed in:416.94.202605200242-0RHSA-2026:20087
rhcos-s390xRocky
Fixed in:417.94.202606250942-0RHSA-2026:34098
Fixed in:415.92.202606030318-0RHSA-2026:23233
Fixed in:416.94.202605200242-0RHSA-2026:20087
Fixed in:414.92.202606231112-0RHSA-2026:28887
Fixed in:418.94.202605260517-0RHSA-2026:21656
Fixed in:4.19.9.6.202605201155-0RHSA-2026:20040
rhcos-x86_64Red Hat / RHEL
Fixed in:412.86.202605271418-0RHSA-2026:21695
Fixed in:415.92.202606030318-0RHSA-2026:23233
Fixed in:417.94.202606250942-0RHSA-2026:34098
Fixed in:4.19.9.6.202605201155-0RHSA-2026:20040
Fixed in:418.94.202605260517-0RHSA-2026:21656
Fixed in:416.94.202605200242-0RHSA-2026:20087
Fixed in:414.92.202606231112-0RHSA-2026:28887
Fixed in:413.92.202605271328-0RHSA-2026:21690
rhcos-x86_64Rocky
Fixed in:418.94.202605260517-0RHSA-2026:21656
Fixed in:4.19.9.6.202605201155-0RHSA-2026:20040
Fixed in:414.92.202606231112-0RHSA-2026:28887
Fixed in:417.94.202606250942-0RHSA-2026:34098
Fixed in:415.92.202606030318-0RHSA-2026:23233
Fixed in:413.92.202605271328-0RHSA-2026:21690
Fixed in:416.94.202605200242-0RHSA-2026:20087
Fixed in:412.86.202605271418-0RHSA-2026:21695
sudoRocky
Fixed in:0:1.9.15-10.p5.el10_1RHSA-2026:10758
Fixed in:0:1.9.15-8.p5.el10_0.3RHSA-2026:13888
Fixed in:0:1.9.15-8.p5.el10_0.3RHSA-2026:13888
Fixed in:0:1.9.15-8.p5.el10_0.3RHSA-2026:13888
Fixed in:0:1.9.15-8.p5.el10_0.3RHSA-2026:13888
Fixed in:0:1.9.15-8.p5.el10_0.3RHSA-2026:13888
Fixed in:0:1.9.15-10.p5.el10_1RHSA-2026:10758
Fixed in:0:1.9.15-10.p5.el10_1RHSA-2026:10758

This vulnerability affects an unusually large number of packages. The highest-confidence fixes are shown above; the full list is longer. Check the referenced advisories for complete coverage.

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal
Attack ComplexityHigh
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

0.17%probability of exploitation in 30 days
7thpercentile

Low risk: more likely to be exploited than 7% of all known CVEs.

References

Related Vulnerabilities

Other CWE-271 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2024-0985High8.01.8%-Fix
CVE-2019-11243High8.11.5%--
CVE-2020-35513Medium4.91.3%-Fix
CVE-2022-3569High7.80.7%--
CVE-2024-35179Medium6.80.6%--
CVE-2026-44477Critical9.90.5%-Fix

Common questions

How do I fix CVE-2026-35535?

Published advisories record a fix for 41 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2026-35535 being actively exploited?

Not that we know of. CVE-2026-35535 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.17% is the estimated probability that it will be exploited in the next 30 days. That is higher than 7% of all scored CVEs.

How severe is CVE-2026-35535?

CVE-2026-35535 has a CVSS v3 base score of 7.4, rated important. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2026-35535 affect?

Published advisories record a fix for sudo (Amazon), sudo-debuginfo (Amazon), sudo-debugsource (Amazon), sudo-devel (Amazon), and 37 more. Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

Embed a live status badge for CVE-2026-35535
CVE-2026-35535 severity badge

Markdown

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-09-01.