Privilege escalation in N/a
CVE-2026-29647
In OpenXiangShan NEMU, insufficient Smstateen permission enforcement allows lower-privileged code to access IMSIC state via stopei/vstopei CSRs even when mstateen0.IMSIC is cleared, potentially enabling cross-context information leakage or disruption of interrupt handling.
Vulnerability class: Privilege Escalation
EPSS: 0.002 (14.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
Affected products
- N/a — versions n/a
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-29647?
- CVE-2026-29647 is a medium-severity vulnerability in N/a, classified under Improper Privilege Management. CVSS score: 6.5/10. Published 2026-04-20.
- How severe is CVE-2026-29647?
- Medium severity. CVSS v3 base score is 6.5 out of 10.