CVE-2023-26299
highpriority · track · 28EPSS 0.001 · 2 %ileDEEUUSEPSS · scored 2026-10-28
A potential Time-of-Check to Time-of-Use (TOCTOU) vulnerability has been identified in certain HP PC products using AMI UEFI Firmware (system BIOS), which might allow arbitrary code execution. AMI has released updates to mitigate the potential vulnerability.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.4–7
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (61)
Products and version ranges known to be affected.
- HP Inc. HP PC products using AMI UEFI Firmware≤ See HP Security Bulletin reference for affected versions.enisa_euvdEU
- hp 200 g4 22 all-in-one firmwareall versionsnvdUScpe:2.3:o:hp:200_g4_22_all-in-one_firmware:*:*:*:*:*:*:*:*
- hp 200 pro g4 22 all-in-one firmwareall versionsnvdUScpe:2.3:o:hp:200_pro_g4_22_all-in-one_firmware:*:*:*:*:*:*:*:*
- hp 205 g4 22 all-in-one firmwareall versionsnvdUScpe:2.3:o:hp:205_g4_22_all-in-one_firmware:*:*:*:*:*:*:*:*
- hp 205 pro g4 22 all-in-one firmwareall versionsnvdUScpe:2.3:o:hp:205_pro_g4_22_all-in-one_firmware:*:*:*:*:*:*:*:*
- hp 280 g4 microtower firmwareall versionsnvdUScpe:2.3:o:hp:280_g4_microtower_firmware:*:*:*:*:*:*:*:*
- hp 280 g5 small form factor firmwareall versionsnvdUScpe:2.3:o:hp:280_g5_small_form_factor_firmware:*:*:*:*:*:*:*:*
advisories (1)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2023-1624HP Computer: Schwachstelle ermöglicht CodeausführungDeutsch2023-07-02csaf · cert_bundDE
Ein lokaler Angreifer kann eine Schwachstelle in HP Computer ausnutzen, um beliebigen Programmcode auszuführen.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (4)
External citations — patches, advisories, analysis.
- https://cxsecurity.com/cveshow/CVE-2023-26299/cnnvd
- https://support.hp.com/us-en/document/ish_8642715-8642746-16/hpsbhf03850cnnvd
- https://support.hp.com/us-en/document/ish_8642715-8642746-16/hpsbhf03850enisa_euvd
- https://support.hp.com/us-en/document/ish_8642715-8642746-16/hpsbhf03850PatchVendor Advisorynvd
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