How severe is CVE-2018-8529?

CVE-2018-8529 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-8529 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 13% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-8529?

CVE-2018-8529 primarily affects Microsoft Team Foundation Server. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-8529?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2018-8529 published?

CVE-2018-8529 was published on 2018-11-15 and last updated on 2026-06-17.

CVE-2018-8529

CVE-2018-8529 is a critical-severity vulnerability in Microsoft Team Foundation Server with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 13% places it in the 96th percentile, indicating an elevated likelihood of exploitation.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 13% (96th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Microsoft Team Foundation Server
Published: 2018-11-15
Last modified: 2026-06-17

Description

A remote code execution vulnerability exists when Team Foundation Server (TFS) does not enable basic authorization on the communication between the TFS and Search services, aka "Team Foundation Server Remote Code Execution Vulnerability." This affects Team.

Frequently asked questions

What is CVE-2018-8529?: A remote code execution vulnerability exists when Team Foundation Server (TFS) does not enable basic authorization on the communication between the TFS and Search services, aka "Team Foundation Server Remote Code Execution Vulnerability." This affects Team.
How severe is CVE-2018-8529?: CVE-2018-8529 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-8529 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 13% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-8529?: CVE-2018-8529 primarily affects Microsoft Team Foundation Server. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-8529?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2018-8529 published?: CVE-2018-8529 was published on 2018-11-15 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:microsoft:team_foundation_server:2018:1.1:*:*:*:*:*:*
cpe:2.3:a:microsoft:team_foundation_server:2018:3:*:*:*:*:*:*

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