Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2016-1889

22
FAUCET Score

CVE-2016-1889 describes an integer overflow vulnerability in the bhyve hypervisor within FreeBSD versions 10.1, 10.2, 10.3, and 11.0. This flaw, triggered when the hypervisor is configured with substantial guest memory, allows a local attacker to escalate privileges by crafting a malicious device descriptor. Rated with a CVSS score of 7.8 (High), this vulnerability presents a low attack complexity and requires local access, but can lead to high impacts on confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
10.1CPE matchmatch criteria
cpe:2.3:o:freebsd:freebsd:10.1:*:*:*:*:*:*:*
10.2CPE matchmatch criteria
cpe:2.3:o:freebsd:freebsd:10.2:*:*:*:*:*:*:*
10.3CPE matchmatch criteria
cpe:2.3:o:freebsd:freebsd:10.3:*:*:*:*:*:*:*
11.0CPE matchmatch criteria
cpe:2.3:o:freebsd:freebsd:11.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.8HIGH

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.33%
Probability of exploitation in next 30 days
EPSS Percentile
25.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0033 is in the 63rd percentile among its peer group of 16,994 CVEs.

Social Chatter

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.

Media 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.

Remediation

Remediation records are not available for this CVE.

References

freebsd.org / security/advisories/FreeBSD-SA-16:38.bhyve.asc
Vendor Advisory
securitytracker.com / id/1037400
Third Party AdvisoryVDB Entry