# Virtualization Host vulnerabilities > Virtualization Host is made by Red Hat. We track 83 published vulnerabilities listed under that exact name, across 1 version. 4 of them are on the list of flaws known to be exploited, the newest added on 2 June 2026. Red Hat lists newer releases under their own names, such as Virtualization Host Eus, so check those pages too. Canonical page: https://www.precursorintelligence.com/product/redhat/virtualization_host ## At a glance - **Made by:** [Red Hat](https://www.precursorintelligence.com/vendors/redhat) - **Published vulnerabilities:** 83 - **Known to be exploited:** 4 (listed under the name Virtualization Host) - **Versions tracked:** 1 - **Most recently added to the known-exploited list:** [CVE-2022-0492](https://www.precursorintelligence.com/what-is/cve-2022-0492), 2 June 2026. We keep watching the list. ## Is Virtualization Host listed under other names? Red Hat also lists Virtualization Host under more specific names, such as Virtualization Host Eus. Flaws listed only under those names are counted on their own pages, not here. - [Virtualization Host Eus](https://www.precursorintelligence.com/product/redhat/virtualization_host_eus): 1 published vulnerability ## Which versions of Virtualization Host do the exploited flaws hit? Each exploited flaw lists the versions it affects, as published. - [CVE-2022-0492](https://www.precursorintelligence.com/what-is/cve-2022-0492) (Linux Kernel Improper Authentication Vulnerability): 4.0 - [CVE-2023-4911](https://www.precursorintelligence.com/what-is/cve-2023-4911) (GNU C Library Buffer Overflow Vulnerability): 4.0 - [CVE-2021-3560](https://www.precursorintelligence.com/what-is/cve-2021-3560) (Red Hat Polkit Incorrect Authorization Vulnerability): 4.0 - [CVE-2022-0847](https://www.precursorintelligence.com/what-is/cve-2022-0847) (Linux Kernel Privilege Escalation Vulnerability): 4.0 ## Which Virtualization Host vulnerabilities are being exploited? 4 flaws are on the government list of vulnerabilities known to be exploited, newest first: - [CVE-2022-0492](https://www.precursorintelligence.com/what-is/cve-2022-0492): Linux Kernel Improper Authentication Vulnerability. High, CVSS 7.8, chance of use in 30 days 5.5%, known exploited since 2 June 2026. - [CVE-2023-4911](https://www.precursorintelligence.com/what-is/cve-2023-4911): GNU C Library Buffer Overflow Vulnerability. High, CVSS 7.8, chance of use in 30 days 64%, known exploited since 21 November 2023. - [CVE-2021-3560](https://www.precursorintelligence.com/what-is/cve-2021-3560): Red Hat Polkit Incorrect Authorization Vulnerability. High, CVSS 7.8, chance of use in 30 days 24%, known exploited since 12 May 2023. - [CVE-2022-0847](https://www.precursorintelligence.com/what-is/cve-2022-0847): Linux Kernel Privilege Escalation Vulnerability. High, CVSS 7.8, chance of use in 30 days 93%, known exploited since 25 April 2022. ## Which Virtualization Host flaws are most likely to be used? Ranked by the latest exploit-likelihood forecast (the chance each flaw is used in an attack in the next 30 days): - [CVE-2022-0847](https://www.precursorintelligence.com/what-is/cve-2022-0847): 93%, High (CVSS 7.8), known exploited - [CVE-2019-11479](https://www.precursorintelligence.com/what-is/cve-2019-11479): 92%, High (CVSS 7.5) - [CVE-2021-44142](https://www.precursorintelligence.com/what-is/cve-2021-44142): 74%, High (CVSS 8.8) - [CVE-2022-0435](https://www.precursorintelligence.com/what-is/cve-2022-0435): 68%, High (CVSS 8.8) - [CVE-2023-4911](https://www.precursorintelligence.com/what-is/cve-2023-4911): 64%, High (CVSS 7.8), known exploited - [CVE-2017-7525](https://www.precursorintelligence.com/what-is/cve-2017-7525): 38%, Critical (CVSS 9.8) - [CVE-2021-3560](https://www.precursorintelligence.com/what-is/cve-2021-3560): 24%, High (CVSS 7.8), known exploited - [CVE-2019-1559](https://www.precursorintelligence.com/what-is/cve-2019-1559): 17%, Medium (CVSS 5.9) - [CVE-2018-8088](https://www.precursorintelligence.com/what-is/cve-2018-8088): 15%, Critical (CVSS 9.8) - [CVE-2018-1000001](https://www.precursorintelligence.com/what-is/cve-2018-1000001): 13%, High (CVSS 7.8) ## Questions ### How many vulnerabilities does Virtualization Host have? We track 83 published vulnerabilities listed under the name Virtualization Host, across 1 version. The most recent Virtualization Host flaw added to the known-exploited list is CVE-2022-0492, on 2 June 2026. ### Which Virtualization Host vulnerabilities are being exploited? 4 are on the list of flaws known to be exploited. The most recently added are CVE-2022-0492, CVE-2023-4911 and CVE-2021-3560. ### Why are newer Virtualization Host flaws missing from this page? Red Hat also lists Virtualization Host under more specific names, such as Virtualization Host Eus. Flaws listed only under those names are counted on their own pages, not here. Open the release you run to see its own list. ### Which versions of Virtualization Host do the exploited flaws affect? Each flaw names its own versions, usually as ranges. The newest, CVE-2022-0492, affects 4.0. The versions for every exploited flaw are listed on this page. ### How do I get alerts for Virtualization Host? Create a Precursor Intelligence account and track Virtualization Host. We match it against every published flaw, give each one a risk score from 0 to 100 and keep watching, so you hear about new ones as soon as we know, by email, in the app or by webhook. ## Running Virtualization Host? Precursor Intelligence keeps checking for you: - **Tell us what you run.** Pick your software from a list, or let us work it out from your website. - **We match it to every flaw.** Over 400,000 published flaws, checked against your list. - **Ranked by real-world risk.** Every flaw gets a 0 to 100 risk score, kept up to date, led by evidence criminals are using it. - **Told as soon as we know.** An alert by email, in the app or by webhook to your own tools. Start free (no card, nothing to install): https://www.precursorintelligence.com/register Book a demo: https://www.precursorintelligence.com/contact