How severe is CVE-2018-8269?

CVE-2018-8269 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2018-8269 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 26% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-8269?

CVE-2018-8269 affects Microsoft Microsoft.data.odata. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-8269?

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

When was CVE-2018-8269 published?

CVE-2018-8269 was published on 2018-09-13 and last updated on 2026-06-17.

CVE-2018-8269

CVE-2018-8269 is a high-severity vulnerability in Microsoft Microsoft.data.odata with a CVSS 3.x base score of 7.5. Its EPSS exploit-prediction score of 26% places it in the 98th percentile, indicating an elevated likelihood of exploitation.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 26% (98th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Microsoft Microsoft.data.odata
Published: 2018-09-13
Last modified: 2026-06-17

Description

A denial of service vulnerability exists when OData Library improperly handles web requests, aka "OData Denial of Service Vulnerability." This affects Microsoft.Data.OData.

Frequently asked questions

What is CVE-2018-8269?: A denial of service vulnerability exists when OData Library improperly handles web requests, aka "OData Denial of Service Vulnerability." This affects Microsoft.Data.OData.
How severe is CVE-2018-8269?: CVE-2018-8269 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2018-8269 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 26% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-8269?: CVE-2018-8269 affects Microsoft Microsoft.data.odata. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-8269?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-8269 published?: CVE-2018-8269 was published on 2018-09-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:microsoft:microsoft.data.odata:-:*:*:*:*:*:*:*