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-2019-0686

26
FAUCET Score

CVE-2019-0686 is an elevation of privilege vulnerability affecting Microsoft Exchange Server. It carries a high CVSS score of 7.4, indicating a severe risk where an unauthenticated attacker could gain elevated privileges over a network with high impact on confidentiality and integrity, though with high attack complexity. Despite its severity, there is no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or inclusion in CISA's KEV catalog. However, it has garnered some community discussion and media coverage, suggesting awareness within the cybersecurity community.

Impacted Technologies

VendorProductVersion(s)CPE
2010CPE matchmatch criteria
cpe:2.3:a:microsoft:exchange_server:2010:sp3_rollup26:*:*:*:*:*:*
2013CPE matchmatch criteria
cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_22:*:*:*:*:*:*
2016CPE matchmatch criteria
cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_12:*:*:*:*:*:*
2019CPE matchmatch criteria
cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_1:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.4HIGH

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
2.2
Impact Score
5.2
CvssVersion
3.0

Exploit Intelligence

EPSS Score
5.04%
Probability of exploitation in next 30 days
EPSS Percentile
91.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0504 is in the 59th percentile among its peer group of 8,920 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (5)

microsoftpatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: Microsoft Exchange Server 2013 Cumulative Update 22
View patch
microsoftpatch availablevia msrc
Product: Microsoft Exchange Server 2016 Cumulative Update 12
View patch
microsoftpatch availablevia msrc
Product: Microsoft Exchange Server 2019 Cumulative Update 1
microsoftpatch availablevia msrc
Product: Microsoft Exchange Server 2010 Service Pack 3 Update Rollup 26
View patch

Vendor Advisories (1)

microsoft2019-Feb/CVE-2019-0686Important

Microsoft Exchange Server Elevation of Privilege Vulnerability

Feb 12, 2019

References

portal.msrc.microsoft.com / en-US/security-guidance/advisory/CVE-2019-0686
PatchVendor Advisory
securityfocus.com / bid/106937
Third Party AdvisoryVDB Entry