Xen vulnerabilities

Records are attributed to Xen from the vendor named in the source records. About the data.

CVE records per year

CVE records published per year for Xen
CVE records published per year for XenBar chart of CVE records attributed to Xen per publication year, 2017 to 2026. 2026 is not finished.02040602021: 21 CVE records2022: 39 CVE records2023: 8 CVE records2024: 23 CVE records2025: 10 CVE records2026: 50 CVE records (period not finished)502017201820192020202120222023202420252026
Show data as a table
YearCVE records
20170
20180
20190
20200
202121
202239
20238
202423
202510
202650

2026 is partial (through 28 Oct 2026), shown in a lighter bar.

Severity by publication year. "Critical or high" is the share of scored records; "Not scored" is the share of all records.
YearRecordsCriticalHighCritical or highNot scored
202650122064%0%
2025103690%0%
2024230834.8%0%
20238000%87.5%
2022390110%74.4%
20212100—100%
2020000——
2019000——
2018000——
2017000——

Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.

Highest exploit-prediction scores (EPSS)

EPSS estimates the probability that a vulnerability is exploited in the next 30 days. These are the 10 highest-scoring Xen records today.

CVEEPSSPercentileSeverityIn KEV
CVE-2024-3114217.4%97.1%HighNo
CVE-2024-22018.8%95.2%MediumNo
CVE-2023-468428.5%95%MediumNo
CVE-2021-287062.2%82.7%Not scoredNo
CVE-2021-287001.9%79.3%Not scoredNo
CVE-2022-423301.4%71.7%Not scoredNo
CVE-2024-21931.3%69.9%MediumNo
CVE-2022-423331.2%67.8%Not scoredNo
CVE-2021-286901%62.4%Not scoredNo
CVE-2025-17130.9%58.5%HighNo

Source: FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026; CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.27, as of 27 Oct 2026. About the data.

Related vendors

Vendors named on the same CVE records as Xen.

All vendors · KEV catalog overview