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CVE-2019-1486

21
FAUCET Score

CVE-2019-1486 is a spoofing vulnerability in Microsoft Visual Studio Live Share and Visual Studio 2019, allowing a malicious host to redirect a guest to an arbitrary URL. This medium-severity flaw (CVSS 6.1) requires user interaction and could lead to low confidentiality and integrity impacts, such as phishing. There is no evidence of active exploitation, public exploit code, or significant community discussion, and it is not listed in CISA's KEV catalog.

Impacted Technologies

VendorProductVersion(s)CPE
>= 16.0, <= 16.4CPE matchmatch criteria
cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:*
< 1.0.1374CPE matchmatch criteria
cpe:2.3:a:microsoft:visual_studio_live_share:*:*:*:*:*:visual_studio:*:*

CVSS Data

CVSS version used by this source: 3.1

6.1MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.48%
Probability of exploitation in next 30 days
EPSS Percentile
71.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0148 is in the 84th percentile among its peer group of 26,219 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 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 (5)

microsoftpatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: Microsoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3)
View patch
microsoftpatch availablevia msrc
Product: Microsoft Visual Studio Live Share extension
View patch
microsoftpatch availablevia msrc
Product: Microsoft Visual Studio 2019 version 16.0
View patch
microsoftpatch availablevia msrc
Product: Microsoft Visual Studio Code Live Share extension
View patch

Vendor Advisories (1)

microsoft2019-Dec/CVE-2019-1486Important

Visual Studio Live Share Spoofing Vulnerability

Dec 10, 2019

References

portal.msrc.microsoft.com / en-US/security-guidance/advisory/CVE-2019-1486
PatchVendor Advisory