HP Easy Start for macOS Privilege Escalation Vulnerability Advisory (CVE-2026-12554/5/6)

Vulnerability Overview HP Easy Start for macOS has a potential security vulnerability that could lead to privilege escalation. HP is releasing updates to mitigate these potential vulnerabilities. Affected Scope Affected Products: HP Easy Start for macOS Affected Versions: Versions prior to 2.16.7.260722 Remediation Fixed Versions: 2.16.7.260722 or later Recommendation: HP recommends keeping your system and firmware up to date. Vulnerability Details CVE IDs: - CVE-2026-12554 - CVE-2026-12555 - CVE-2026-12556 CVSS Scores: - CVE-2026-12554: 8.5 (High) - CVE-2026-12555: 7.7 (High) - CVE-2026-12556: 7.7 (High) Vector String: - CVE-2026-12554: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N - CVE-2026-12555: CVSS:4.0/AV:N/AC:L/AT:R/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N - CVE-2026-12556: CVSS:4.0/AV:N/AC:L/AT:R/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N Additional Information Release Date: August 24, 2026 Last Updated: August 24, 2026 Category: Printing Software Potential Security Impact: Privilege Escalation Related Links HP Software and Drivers Download HP Security Bulletins Archive Legal Information System administration and security procedures must be reviewed regularly to maintain system integrity. HP continuously reviews and enhances the security features of its software products to provide current security solutions. HP does not guarantee that the information in this security advisory is accurate or complete for all user circumstances. HP shall not be liable for any damages resulting from the use or non-use of the information provided in this security advisory. Contact Information Report a Vulnerability: Email hp-security-alert@hp.com Support Options: Visit the HP Support Page Community Support Try automated diagnostic tools Ask questions in the HP Support Community Contact a support agent Knowledge Base Search Enter a topic to search the knowledge base Footer Information Country/Region: India Links regarding HP, contacts, careers, investor relations, sustainability impact, news, technology trends, etc. Links for purchasing, downloading drivers, support, community, authorized service providers, checking repair status, featured links, etc. Links for HP partners, HP Amplify Partner Program, HP Partner Portal, developers, etc. Social media links (Facebook, Instagram, X, YouTube) Links for recycling, product recycling, accessibility, India CSR Policy, Indian entity annual returns, privacy, terms of use, cookie settings, etc. Copyright information: ©2026 HP Development Company, L.P. Information in this document is subject to change without notice.

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HP Easy Start for macOS Privilege Escalation Vulnerability Advisory (CVE-2026-12554/5/6)