7.8

CVE-2026-35535: siemens sinec_os Privilege Dropping / Lowering Errors

CVSS: 7.8v3.1HighModified
AliasesMGASA-2026-0211SUSE-SU-2026:1308-1SUSE-SU-2026:1309-1
Published 03-04-2026Last modified 01-09-2026

Vulnerability summary

CVE-2026-35535 is a high (CVSS 7.8) Privilege Dropping / Lowering Errors vulnerability in siemens sinec_os. EPSS estimates a 0.17% chance of exploitation in the next 30 days, higher than 6.3% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
0.17%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1 · Related 1

Timeline

  1. 03-04-2026
    PublishedVulnerability first disclosed.
  2. 01-09-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

7 scores · 7 sources · 1 version

EPSS trend

Probability

0.17%

Chance of exploitation in the next 30 days

Percentile

6%

Versus all other CVEs

30-day change

0.00 pp

From 0.17% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.17%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Suse16 products
  • sudo&distro=SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS< 1.9.9-150400.4.42.1
  • sudo&distro=SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS< 1.9.9-150400.4.42.1
  • sudo&distro=SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS< 1.9.12p1-150500.7.16.1
  • sudo&distro=SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS< 1.9.12p1-150500.7.16.1
  • sudo&distro=SUSE Linux Enterprise Micro 5.3< 1.9.9-150400.4.42.1
Redhat6 products
  • sudo< 0:1.9.15-10.p5.el10_1 | < 0:1.9.5p2-1.el8_10.5 | < 0:1.9.5p2-15.el9_7 | < 0:1.9.5p2-7.el9_0.6 | < 0:1.9.15-8.p5.el10_0.3 | < 0:1.9.5p2-10.el9_6.3 | < 0:1.9.5p2-9.el9_2.4 | < 0:1.9.5p2-1.el8_8.3 | < 0:1.8.23-10.el7_9.5 | < 0:1.8.6p3-29.el6_10.8 | < 0:1.9.5p2-1.el8_6.3 | < 0:1.9.5p2-10.el9_4.3 | < 0:1.9.17-4.p2.el10_2 | < 0:1.9.17p2-3.el9_8
  • sudo-debuginfo< 0:1.9.15-10.p5.el10_1 | < 0:1.9.5p2-1.el8_10.5 | < 0:1.9.5p2-15.el9_7 | < 0:1.9.5p2-7.el9_0.6 | < 0:1.9.15-8.p5.el10_0.3 | < 0:1.9.5p2-10.el9_6.3 | < 0:1.9.5p2-9.el9_2.4 | < 0:1.9.5p2-1.el8_8.3 | < 0:1.8.23-10.el7_9.5 | < 0:1.8.6p3-29.el6_10.8 | < 0:1.9.5p2-1.el8_6.3 | < 0:1.9.5p2-10.el9_4.3 | < 0:1.9.17-4.p2.el10_2 | < 0:1.9.17p2-3.el9_8
  • sudo-debugsource< 0:1.9.15-10.p5.el10_1 | < 0:1.9.5p2-1.el8_10.5 | < 0:1.9.5p2-15.el9_7 | < 0:1.9.5p2-7.el9_0.6 | < 0:1.9.15-8.p5.el10_0.3 | < 0:1.9.5p2-10.el9_6.3 | < 0:1.9.5p2-9.el9_2.4 | < 0:1.9.5p2-1.el8_8.3 | < 0:1.9.5p2-1.el8_6.3 | < 0:1.9.5p2-10.el9_4.3 | < 0:1.9.17-4.p2.el10_2 | < 0:1.9.17p2-3.el9_8
  • sudo-devel< 0:1.8.23-10.el7_9.5 | < 0:1.8.6p3-29.el6_10.8
  • sudo-python-plugin< 0:1.9.15-10.p5.el10_1 | < 0:1.9.5p2-15.el9_7 | < 0:1.9.5p2-7.el9_0.6 | < 0:1.9.15-8.p5.el10_0.3 | < 0:1.9.5p2-10.el9_6.3 | < 0:1.9.5p2-9.el9_2.4 | < 0:1.9.5p2-10.el9_4.3 | < 0:1.9.17-4.p2.el10_2 | < 0:1.9.17p2-3.el9_8
Opensuse2 products
  • sudo&distro=openSUSE Leap 16.0< 1.9.17p1-160000.3.1
  • sudo&distro=openSUSE Tumbleweed< 1.9.17p2-2.1
Chainguard1 product
  • sudo< 1.9.17_p2-r10
Debian1 product
  • sudo< 1.9.13p3-1+deb12u4 | < 1.9.16p2-3+deb13u2 | < 1.9.17p2-5
Mageia1 product
  • sudo< 1.9.15p5-1.2.mga9
Siemens1 product
Sudo_project1 product
  • sudo< 3e474c2f201484be83d994ae10a4e20e8c81bb69 | < 1.9.17 | 1.9.17 | 1.9.17:p1 | 1.9.17:p2
Ubuntu1 product
  • sudo< 1.9.9-1ubuntu2.6 | < 1.9.15p5-3ubuntu5.24.04.2 | < 1.9.17p2-1ubuntu1.1
Wolfi1 product
  • sudo< 1.9.17_p2-r10

10 vendors · 31 products

References

68 links
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