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CVE-2023-26299

20
FAUCET Score

CVE-2023-26299 is a Time-of-Check to Time-of-Use (TOCTOU) vulnerability found in certain HP PC products utilizing AMI UEFI Firmware (system BIOS). This high-severity vulnerability, rated 7.0 CVSS, could allow a local, low-privileged attacker to achieve arbitrary code execution due to high attack complexity. While AMI has released updates to address this issue, there is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.14CPE matchmatch criteria
cpe:2.3:o:hp:260_g4_desktop_mini_firmware:*:*:*:*:*:*:*:*
< 00.01.11CPE matchmatch criteria
cpe:2.3:o:hp:t430_firmware:*:*:*:*:*:*:*:*
< 00.01.10CPE matchmatch criteria
cpe:2.3:o:hp:t628_firmware:*:*:*:*:*:*:*:*
< f.04CPE matchmatch criteria
cpe:2.3:o:hp:240_g10_firmware:*:*:*:*:*:*:*:*
< f.35CPE matchmatch criteria
cpe:2.3:o:hp:245_g6_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.0HIGH

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.0
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.13%
Probability of exploitation in next 30 days
EPSS Percentile
2.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0013 is in the 12th percentile among its peer group of 1,523 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.4 InfoSec Media, 0.1 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

support.hp.com / us-en/document/ish_8642715-8642746-16/hpsbhf03850
PatchVendor Advisory