Vulnerability · CVE-2025-26503
A crafted system call argument can cause memory corruption.
Published Sep 18, 2025 · catalog updated Feb 26, 2026 · Wind River Systems Inc VxWorks 7
Last checked Oct 29, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2025-26503. EPSS is 0.15%. Act only if a listed version of Wind River Systems Inc VxWorks 7 is installed.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- Medium6.7
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.15%
- Remediation
- Version ranges on file
- Affected products
- vendor Wind River Systems Inc VxWorks 7 7.0.0 <25.03
A crafted system call argument can cause memory corruption.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- vendor Wind River Systems Inc VxWorks 7 7.0.0 <25.037.0.0 <25.03
How to fix CVE-2025-26503
Upgrade
CVE-2025-26503 lists a fix boundary at 25.03. Compare the installed build with that boundary before you change production.
Version check
Seen in 7.0.0 <25.03
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2025-26503. EPSS is 0.15%. Act only if a listed version of Wind River Systems Inc VxWorks 7 is installed.
Which versions are affected?
Compare what you have installed with Wind River Systems Inc VxWorks 7 7.0.0 <25.03 7.0.0 <25.03. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 0.15%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Sep 18, 2025 · EUVD
Detected
A crafted system call argument can cause memory corruption.
Feb 26, 2026 · EUVD
Updated
A crafted system call argument can cause memory corruption.
Sources
- CVE.orgVulnerability recordCVE-2025-26503
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2025-26503
30-day exploitation probability 0.15%
first.org - EUVDVulnerability recordEUVD-2025-30202
A crafted system call argument can cause memory corruption.
euvd.enisa.europa.eu
References
Freshness
Last verified in this catalog Oct 29, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- CVE.orgOct 23, 2026
- FIRST EPSSOct 23, 2026
- EUVDOct 22, 2026