CVE-2026-35535

HIGHNVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.8 under NVD CVSS v3. EPSS exploit probability: 0.2%, top 93% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.

Triggered by: NVD CVSS baseline
Sources: epss, ghsa, nvd
7.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.8Exploit: None knownExposed: 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
7.8(medium)
EG Risk
35(Track)
EG Risk 35/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity78% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
7%
KEV
Not listed

Published

April 3, 2026

Last Modified

September 1, 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(25)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatrhui5/rhua-tp-rhel9:17872412602026-08-24redhat
redhatrhcos-417.94.202606250942-02026-07-09redhat
redhatrhcos-414.92.202606231112-02026-07-01redhat
redhatrhaiis/vllm-rocm-rhel9:17823530932026-06-25redhat
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-0:1.9.17-4.p2.el10_22026-05-19redhat
redhatsudo-0:1.9.17p2-3.el9_82026-05-19redhat
redhatsudo-0:1.9.5p2-9.el9_2.42026-05-06redhat
redhatsudo-0:1.9.5p2-1.el8_6.32026-05-06redhat
redhatsudo-0:1.9.15-8.p5.el10_0.32026-05-06redhat
redhatsudo-0:1.8.6p3-29.el6_10.82026-05-06redhat
redhatsudo-0:1.9.5p2-1.el8_8.32026-05-06redhat
redhatsudo-0:1.9.5p2-10.el9_4.32026-05-06redhat
redhatsudo-0:1.9.5p2-10.el9_6.32026-05-06redhat
redhatsudo-0:1.8.23-10.el7_9.52026-05-06redhat
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.

Affected Packages

(4 across 4 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
sudo1.9.5p2-3, 1.9.5p2-3+deb11u1, 1.9.5p2-3+deb11u2, 1.9.5p2-3+deb11u31.9.5p2-3+deb11u4—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
sudo1.9.13p3-1, 1.9.13p3-1+deb12u1, 1.9.13p3-1+deb12u2, 1.9.13p3-1+deb12u31.9.13p3-1+deb12u4—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
sudo1.9.16p2-3, 1.9.16p2-3+deb13u11.9.16p2-3+deb13u2—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
sudo1.9.16p2-3 ... 1.9.17p2-4 (7 versions)1.9.17p2-5—

Weakness Classification(2)

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

Additional Vendor Advisories

(6)

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 / 39× 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 229 total refreshes for this CVE.

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

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 September 1, 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 0% probability of exploitation in the next 30 days, which ranks it in the top 92.9% of all scored CVEs.
What is the CVSS score of CVE-2026-35535?
CVE-2026-35535 has a CVSS v3 base score of 7.8 (NVD).
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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-35535

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