CVE-2016-9386 describes a privilege escalation vulnerability in the x86 emulator of Xen and Citrix XenServer, affecting local HVM guest users. This flaw stems from improper handling of x86 NULL segments, allowing attackers to manipulate base/limit values to gain elevated privileges. With a CVSS v3 score of 7.8 (High), successful exploitation could lead to high impact on confidentiality, integrity, and availability, requiring low attack complexity and user interaction. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
6.0.2CPE matchmatch criteria | cpe:2.3:a:citrix:xenserver:6.0.2:*:*:*:*:*:*:* | ||
6.2.0CPE matchmatch criteria | cpe:2.3:a:citrix:xenserver:6.2.0:*:*:*:*:*:*:* | ||
6.5CPE matchmatch criteria | cpe:2.3:a:citrix:xenserver:6.5:*:*:*:*:*:*:* | ||
7.0CPE matchmatch criteria | cpe:2.3:a:citrix:xenserver:7.0:*:*:*:*:*:*:* | ||
All Versions ImpactedCPE matchmatch criteria | cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.