# CVE-2026-20713: Privilege escalation in Intel(R) Xeon(R) processors may allow an escalation of privilege. System software adversary with a privileged user combined with a high complexity attack may enable escalation of privilege. This result may potentially occur via local access when attack requirements are not present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (none), integrity (none) and availability (none) of the vulnerable system, resulting in subsequent system confidentiality (high), integrity (high) and availability (none) impacts. > A control flow flaw in Intel Xeon firmware allows privileged local attackers to escalate privileges, compromising system confidentiality and integrity. - **Severity:** Medium 4.5 (`CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N`) - **Exploited in the wild:** Not known - **Login needed:** An administrator - **Attackable:** Local or same network only - **Victim action needed:** Not needed - **Fix available:** Yes - **Published:** 11 Aug 2026 - **Updated:** 12 Aug 2026 - **Also known as:** ALPINE-CVE-2026-20713, BELL-CVE-2026-20713, DEBIAN-CVE-2026-20713, GHSA-2c6m-4rmx-m2m7, UBUNTU-CVE-2026-20713 ## What is CVE-2026-20713? CVE-2026-20713 is a medium-severity vulnerability in Intel(R) Xeon(R) processors may allow an escalation of privilege. System software adversary with a privileged user combined with a high complexity attack may enable escalation of privilege. This result may potentially occur via local access when attack requirements are not present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (none), integrity (none) and availability (none) of the vulnerable system, resulting in subsequent system confidentiality (high), integrity (high) and availability (none) impacts., published on 11 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim. ### Official description Always-incorrect control flow implementation in some firmware for some Intel(R) Xeon(R) processors may allow an escalation of privilege. System software adversary with a privileged user combined with a high complexity attack may enable escalation of privilege. This result may potentially occur via local access when attack requirements are not present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (none), integrity (none) and availability (none) of the vulnerable system, resulting in subsequent system confidentiality (high), integrity (high) and availability (none) impacts. Weakness: CWE-670 (Always-Incorrect Control Flow Implementation) ## Which versions are affected by CVE-2026-20713? ## How do I fix CVE-2026-20713? Apply the vendor's patch. ## Is CVE-2026-20713 being exploited? There is no known exploitation of CVE-2026-20713 in the wild and no public exploit code. ## Fix prompt for AI coding agents ```text Check this codebase for CVE-2026-20713 and fix it if it is affected. What it is: CVE-2026-20713 is a medium-severity vulnerability in Intel(R) Xeon(R) processors may allow an escalation of privilege. System software adversary with a privileged user combined with a high complexity attack may enable escalation of privilege. This result may potentially occur via local access when attack requirements are not present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (none), integrity (none) and availability (none) of the vulnerable system, resulting in subsequent system confidentiality (high), integrity (high) and availability (none) impacts., published on 11 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim. Exploitation: There is no known exploitation of CVE-2026-20713 in the wild and no public exploit code. Affected product: Intel(R) Xeon(R) processors may allow an escalation of privilege. System software adversary with a privileged user combined with a high complexity attack may enable escalation of privilege. This result may potentially occur via local access when attack requirements are not present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (none), integrity (none) and availability (none) of the vulnerable system, resulting in subsequent system confidentiality (high), integrity (high) and availability (none) impacts.. No package-level version data is available, so check the vendor advisory linked from the reference page. Task: 1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies. 2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it. 3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead. 4. Run the tests and summarise what changed and why. 5. If nothing in the project is affected, say so and change nothing. Reference: https://insights.sbomify.com/CVE-2026-20713/ (Markdown: https://insights.sbomify.com/CVE-2026-20713/index.md) ``` ## Sources - CVE record: https://www.cve.org/CVERecord?id=CVE-2026-20713 - NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-20713 - OSV: https://osv.dev/vulnerability/CVE-2026-20713 --- From sbomify Insights: https://insights.sbomify.com/CVE-2026-20713/ Summaries are generated and may contain mistakes; the official description above is the record.