What is CVE-2016-10013?

CVE-2016-10013 is a high-severity vulnerability in Xen, classified under CWE-264. CVSS score: 7.8/10. Published 2017-01-26.

How severe is CVE-2016-10013?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Xen

CVE-2016-10013

Xen through 4.8.x allows local 64-bit x86 HVM guest OS users to gain privileges by leveraging mishandling of SYSCALL singlestep during emulation.

Published 2017-01-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (34.3th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 34.3% 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: 0.004 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-264

References

www.securityfocus.com/bid/94963 (VDB Entry, Third Party Advisory, vdb-entry)
www.securitytracker.com/id/1037491 (VDB Entry, Third Party Advisory, vdb-entry)
www.debian.org/security/2017/dsa-3847 (vendor-advisory)
xenbits.xen.org/xsa/advisory-204.html (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2016-10013?: CVE-2016-10013 is a high-severity vulnerability in Xen, classified under CWE-264. CVSS score: 7.8/10. Published 2017-01-26.
How severe is CVE-2016-10013?: High severity. CVSS v3 base score is 7.8 out of 10.