How severe is CVE-2019-0646?

CVE-2019-0646 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2019-0646 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-0646?

CVE-2019-0646 affects Microsoft Team Foundation Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-0646?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-0646 published?

CVE-2019-0646 was published on 2019-01-17 and last updated on 2026-06-17.

CVE-2019-0646

CVE-2019-0646 is a medium-severity vulnerability in Microsoft Team Foundation Server with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Microsoft Team Foundation Server
Published: 2019-01-17
Last modified: 2026-06-17

Description

A Cross-site Scripting (XSS) vulnerability exists when Team Foundation Server does not properly sanitize user provided input, aka "Team Foundation Server Cross-site Scripting Vulnerability." This affects Team.

Frequently asked questions

What is CVE-2019-0646?: A Cross-site Scripting (XSS) vulnerability exists when Team Foundation Server does not properly sanitize user provided input, aka "Team Foundation Server Cross-site Scripting Vulnerability." This affects Team.
How severe is CVE-2019-0646?: CVE-2019-0646 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2019-0646 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-0646?: CVE-2019-0646 affects Microsoft Team Foundation Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-0646?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-0646 published?: CVE-2019-0646 was published on 2019-01-17 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:microsoft:team_foundation_server:2018:3.2:*:*:*:*:*:*

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