CVE-2016-9383

highpriority · track · 35EPSS 0.005 · 43 %ileEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.51% (43rd) EPSS

CVSS 7.2 · high

Is it mine?

11 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

Xen, when running on a 64-bit hypervisor, allows local x86 guest OS users to modify arbitrary memory and consequently obtain sensitive information, cause a denial of service (host crash), or execute arbitrary code on the host by leveraging broken emulation of bit test instructions.

cvss

Technical severity, 0–10. One row per scoring source.

8.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.07.2highAV:L/AC:L/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 3.9 · impact 10

v3.08.8highCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2 · impact 6

v2.07.2highAV:L/AC:L/Au:N/C:C/I:C/A:Csecondary · FSTEC (BDU) RU

v3.08.1highCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20USprimaryCWE-20US

affected products (11)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
The Linux Foundation Xen3.0.2 → 4.7fstec_bduRU
The Linux Foundation XenServer≤ 7.0fstec_bduRU
The Linux Foundation XenServer≤ 6.2.0fstec_bduRU
The Linux Foundation XenServer≤ 6.0.2fstec_bduRU
The Linux Foundation XenServer≤ 6.5fstec_bduRU
citrix xenserver= 6.0.2nvdUScpe:2.3:a:citrix:xenserver:*:*:*:*:*:*:*:*
citrix xenserver= 6.2.0nvdUScpe:2.3:a:citrix:xenserver:*:*:*:*:*:*:*:*
citrix xenserver= 6.5nvdUScpe:2.3:a:citrix:xenserver:*:*:*:*:*:*:*:*
citrix xenserver= 7.0nvdUScpe:2.3:a:citrix:xenserver:*:*:*:*:*:*:*:*
xen xenall versionsnvdUScpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*

also known as (6)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2017-01-23modified 2026-06-17

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+25171 more

references (14)

External citations — patches, advisories, analysis.

scry

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