Buffer overflow in Themoos Ui-Moos
CVE-2026-85452
MOOS ui-moos through 50b9c6c contains a buffer overflow vulnerability in ScopeTabPane.cpp and ScopeGrid.cpp where client and variable names are formatted into fixed 1024-byte buffers using sprintf without length validation. Attackers can supply arbitrarily long MOOS identifiers that overflow the buffers when an operator selects process list entries or pokes variables, enabling code execution.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.007 (52.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 52.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.007 · change: +0.003
Affected products
Weakness classification (CWE)
References
- github.com/themoos/ui-moos (product)
- github.com/themoos/ui-moos/blob/50b9c6c65169c501f746cfef1e167f74a7735e74/Tools/… (technical-description)
- github.com/themoos/ui-moos/commit/a6ebc0bc6cb360315ce620e865f996d189cddb0e (patch)
- github.com/themoos/ui-moos/pull/5 (issue-tracking, patch)
- www.vulncheck.com/advisories/moos-ui-moos-through-50b9c6c-ums-buffer-overflow-v… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-85452?
- CVE-2026-85452 is a high-severity vulnerability in Themoos Ui-Moos, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2026-09-03.
- How severe is CVE-2026-85452?
- High severity. CVSS v3 base score is 8.8 out of 10.