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CVE-2019-0876

20
FAUCET Score

CVE-2019-0876 is an information disclosure vulnerability affecting the Microsoft Open Enclave SDK, stemming from improper memory handling. With a CVSS score of 5.5 (Medium), it allows a local, low-privileged attacker to achieve high confidentiality impact without user interaction. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or inclusion in CISA's KEV catalog, though it garnered minimal community discussion and media coverage at the time of its disclosure.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.5.0CPE matchmatch criteria
cpe:2.3:a:microsoft:open_enclave_software_development_kit:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.56%
Probability of exploitation in next 30 days
EPSS Percentile
72.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0156 is in the 98th percentile among its peer group of 15,937 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 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 (2)

microsoftpatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: Open Enclave SDK
View patch

Vendor Advisories (1)

microsoft2019-Apr/CVE-2019-0876Important

Open Enclave SDK Information Disclosure Vulnerability

Apr 9, 2019

References

portal.msrc.microsoft.com / en-US/security-guidance/advisory/CVE-2019-0876
PatchVendor Advisory
securityfocus.com / bid/107743
Third Party AdvisoryVDB Entry