Medium severity · published Apr 10, 2026
CVE-2026-40227
In systemd 260 before 261, a local unprivileged user can trigger an assert via an IPC API call with an array or map that has a null element
5.5
CVSS
0.2%
EPSS
No
On KEV
Description
In systemd 260 before 261, a local unprivileged user can trigger an assert via an IPC API call with an array or map that has a null element.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 10% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SY
systemd · systemd
260 before 261 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-40227
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-40227
Vendor Advisory
https://github.com/systemd/systemd/security/advisories/GHSA-848h-497j-8vjq
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