CVE-2026-35535

HIGHNVD 7.87.4▼
EchelonGraph scoreMEDIUM confidence

Score 7.4 from GitHub Security Advisory (severity: HIGH) published 2026-04-03. NVD baseline CVSS 7.8; sources differ by 0.4.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
7.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.8Exploit: NoneExposed: 0

A fix is available — apply it.

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.

CVSS v3
7.8
EG Score
7.4(medium)
EPSS
7.1%
KEV
Not listed

Published

April 3, 2026

Last Modified

July 15, 2026

Advisory Details (6)

Auto-updated Jun 10, 2026
🔬 Proof of concept available. Patch available. Sources: github_commit.
generic

SSA-253495

https://cert-portal.siemens.com/productcert/html/ssa-253495.html
generic Patch Available

[SECURITY] [DLA 4614-1] sudo security update

https://lists.debian.org/debian-lts-announce/2026/06/msg00003.html
generic🟡 PoC Available
https://www.qualys.com/2026/03/10/crack-armor.txt
github_commit

commit 3e474c2f2014 (sudo-project/sudo)

Fix landed in sudo-project/sudo commit 3e474c2f2014 — awaiting tagged release

https://github.com/sudo-project/sudo/commit/3e474c2f201484be83d994ae10a4e20e8c81bb69
generic

Bug #2143042 “exec_mailer: Set group as well as uid when running...” : Bugs : sudo package : Ubuntu

https://bugs.launchpad.net/ubuntu/+source/sudo/+bug/2143042
generic Patch Available

#1130593 - sudo: CVE-2026-35535: exec_mailer: Set group as well as uid when running the mailer - Debian Bug report logs

https://bugs.debian.org/1130593

Vendor Advisories for CVE-2026-35535(20)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(21)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatrhcos-415.92.202606030318-02026-06-11redhat
redhatrhcos-412.86.202605271418-02026-06-04redhat
redhatrhcos-413.92.202605271328-02026-06-04redhat
redhatrhcos-418.94.202605260517-02026-06-03redhat
redhatrhcos-416.94.202605200242-02026-05-29redhat
redhatrhcos-4.19.9.6.202605201155-02026-05-27redhat
redhatrhui5/rhua-rhel9:17797982222026-05-27redhat
redhatsudo-0:1.9.17p2-3.el9_82026-05-19redhat
redhatsudo-0:1.9.17-4.p2.el10_22026-05-19redhat
redhatsudo-0:1.9.5p2-10.el9_6.32026-05-06redhat
redhatsudo-0:1.9.5p2-10.el9_4.32026-05-06redhat
redhatsudo-0:1.9.15-8.p5.el10_0.32026-05-06redhat
redhatsudo-0:1.9.5p2-1.el8_6.32026-05-06redhat
redhatsudo-0:1.8.23-10.el7_9.52026-05-06redhat
redhatsudo-0:1.9.5p2-9.el9_2.42026-05-06redhat
redhatsudo-0:1.9.5p2-1.el8_8.32026-05-06redhat
redhatsudo-0:1.8.6p3-29.el6_10.82026-05-06redhat
redhatsudo-0:1.9.5p2-7.el9_0.62026-05-05redhat
redhatsudo-0:1.9.5p2-15.el9_72026-04-30redhat
redhatsudo-0:1.9.5p2-1.el8_10.52026-04-29redhat
redhatsudo-0:1.9.15-10.p5.el10_12026-04-27redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Additional Vendor Advisories

(5)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 8× in last 7d / 43× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 112 total refreshes for this CVE.

  1. 2026-07-22 14:08 UTCEPSS rescore
  2. 2026-07-21 15:24 UTCEPSS rescore
  3. 2026-07-20 17:08 UTCEPSS rescore
  4. 2026-07-19 14:31 UTCEPSS rescore
  5. 2026-07-19 02:29 UTCEPSS rescore
  6. 2026-07-18 10:04 UTCEPSS rescore
  7. 2026-07-17 03:54 UTCOSV refresh
  8. 2026-07-16 17:03 UTCEPSS rescore
  9. 2026-07-15 16:57 UTCEPSS rescore
  10. 2026-07-15 16:57 UTCEPSS rescore
  11. 2026-07-15 02:23 UTCNVD updateCVSS v3 → 7.8
  12. 2026-07-15 02:00 UTCEPSS rescore
  13. 2026-07-15 01:21 UTCMITRE cvelistV5CVSS v3 → 7.4
  14. 2026-07-13 22:30 UTCEPSS rescore
  15. 2026-07-13 06:13 UTCEPSS rescore
  16. 2026-07-13 06:13 UTCEPSS rescore
  17. 2026-07-12 05:46 UTCEPSS rescore
  18. 2026-07-11 08:27 UTCEPSS rescore
  19. 2026-07-10 12:26 UTCNVD updateCVSS v3 → 7.8
  20. 2026-07-10 12:12 UTCMITRE cvelistV5CVSS v3 → 7.4
  21. 2026-07-09 19:10 UTCEPSS rescore
  22. 2026-07-08 15:15 UTCEPSS rescore
  23. 2026-07-07 13:46 UTCEPSS rescore
  24. 2026-07-06 16:27 UTCEPSS rescore
  25. 2026-07-06 16:27 UTCEPSS rescore
Show 75 more
  1. 2026-07-06 02:23 UTCEPSS rescore
  2. 2026-07-06 02:23 UTCEPSS rescore
  3. 2026-07-05 02:30 UTCEPSS rescore
  4. 2026-07-04 06:31 UTCEPSS rescore
  5. 2026-07-01 15:06 UTCEPSS rescore
  6. 2026-06-30 23:22 UTCEPSS rescore
  7. 2026-06-29 14:06 UTCEPSS rescore
  8. 2026-06-29 14:06 UTCEPSS rescore
  9. 2026-06-28 14:07 UTCEPSS rescore
  10. 2026-06-28 14:07 UTCEPSS rescore
  11. 2026-06-28 04:56 UTCEPSS rescore
  12. 2026-06-28 04:56 UTCEPSS rescore
  13. 2026-06-27 03:08 UTCEPSS rescore
  14. 2026-06-25 13:49 UTCEPSS rescore
  15. 2026-06-25 13:49 UTCEPSS rescore
  16. 2026-06-24 14:05 UTCEPSS rescore
  17. 2026-06-23 21:33 UTCEPSS rescore
  18. 2026-06-23 21:33 UTCEPSS rescore
  19. 2026-06-22 14:25 UTCEPSS rescore
  20. 2026-06-22 14:25 UTCEPSS rescore
  21. 2026-06-21 14:56 UTCEPSS rescore
  22. 2026-06-21 14:56 UTCEPSS rescore
  23. 2026-06-21 01:59 UTCEPSS rescore
  24. 2026-06-19 19:25 UTCEPSS rescore
  25. 2026-06-19 19:25 UTCEPSS rescore
  26. 2026-06-18 17:52 UTCEPSS rescore
  27. 2026-06-18 17:52 UTCEPSS rescore
  28. 2026-06-17 17:53 UTCEPSS rescore
  29. 2026-06-16 17:52 UTCEPSS rescore
  30. 2026-06-15 17:49 UTCEPSS rescore
  31. 2026-06-14 23:18 UTCEPSS rescore
  32. 2026-06-12 23:12 UTCEPSS rescore
  33. 2026-06-12 23:12 UTCEPSS rescore
  34. 2026-06-11 22:07 UTCVendor advisory
  35. 2026-06-11 22:07 UTCGHSA enrichment
  36. 2026-06-11 14:00 UTCEPSS rescore
  37. 2026-06-10 22:18 UTCEPSS rescore
  38. 2026-06-10 13:44 UTCVendor advisory
  39. 2026-06-10 13:44 UTCGHSA enrichment
  40. 2026-06-10 02:08 UTCVendor advisory
  41. 2026-06-10 02:08 UTCGHSA enrichment
  42. 2026-06-09 14:36 UTCVendor advisory
  43. 2026-06-09 14:36 UTCGHSA enrichment
  44. 2026-06-08 23:31 UTCNVD updateCVSS v3 → 7.8
  45. 2026-06-08 14:17 UTCEPSS rescore
  46. 2026-06-08 14:17 UTCEPSS rescore
  47. 2026-06-08 10:44 UTCVendor advisory
  48. 2026-06-08 10:44 UTCGHSA enrichment
  49. 2026-06-07 22:32 UTCVendor advisory
  50. 2026-06-07 22:32 UTCGHSA enrichment
  51. 2026-06-07 15:25 UTCEPSS rescore
  52. 2026-06-07 15:25 UTCEPSS rescore
  53. 2026-06-07 15:25 UTCEPSS rescore
  54. 2026-06-07 11:00 UTCVendor advisory
  55. 2026-06-07 11:00 UTCGHSA enrichment
  56. 2026-06-06 13:47 UTCEPSS rescore
  57. 2026-06-06 13:47 UTCEPSS rescore
  58. 2026-06-05 22:47 UTCEPSS rescore
  59. 2026-06-05 22:47 UTCEPSS rescore
  60. 2026-06-05 06:10 UTCEPSS rescore
  61. 2026-06-05 06:10 UTCEPSS rescore
  62. 2026-06-04 13:12 UTCEPSS rescore
  63. 2026-06-04 13:12 UTCEPSS rescore
  64. 2026-06-02 20:13 UTCEPSS rescore
  65. 2026-06-01 13:52 UTCEPSS rescore
  66. 2026-06-01 13:52 UTCEPSS rescore
  67. 2026-06-01 13:51 UTCEPSS rescore
  68. 2026-05-31 22:30 UTCEPSS rescore
  69. 2026-05-31 22:30 UTCEPSS rescore
  70. 2026-05-31 00:16 UTCEPSS rescore
  71. 2026-05-31 00:16 UTCEPSS rescore
  72. 2026-05-31 00:16 UTCEPSS rescore
  73. 2026-05-29 13:44 UTCEPSS rescore
  74. 2026-05-29 13:44 UTCEPSS rescore
  75. 2026-05-28 13:44 UTCEPSS rescore

Frequently asked(5)

What is CVE-2026-35535?
CVE-2026-35535 is a high vulnerability published on April 3, 2026. 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.
When was CVE-2026-35535 disclosed?
CVE-2026-35535 was first published in the National Vulnerability Database on April 3, 2026, with the most recent update on July 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-35535 actively exploited?
CVE-2026-35535 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 7.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-35535?
CVE-2026-35535 has a CVSS v3 base score of 7.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 7.4.
How do I remediate CVE-2026-35535?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-35535, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-35535

Explore →

Is Your Infrastructure Affected by CVE-2026-35535?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs