Medium severity · published Sep 18, 2025
CVE-2025-26503
Buffer manipulation
6.7
CVSS
0.1%
EPSS
No
On KEV
Description
A crafted system call argument can cause memory corruption.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 4% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
V7
VxWorks 7 · Wind River Systems Inc
7.0.0 before 25.03 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-26503
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-26503
support2.windriver.com
https://support2.windriver.com/index.php?page=cve&on=view&id=CVE-2025-26503
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CVE-2026-102004
Wind River VxWorks 7 prior to 26.09, specific system call arguments can result in memory corruption within the memory management subsystem
5.5
CVE-2026-102006
VxWorks 7 Memory allocation
