CVE-2026-12556Disclosure

LOWCVSS 7.7 · HIGH

Signal is active with 2 mentions in latest observed window

Immediate actions

Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

Potential security vulnerabilities have been identified in HP Easy Start for macOS, versions prior to 2.16.7.260722. These potential vulnerabilities may lead to escalation of privilege. HP is releasing updates to mitigate these potential vulnerabilities.

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0.0/ 10 priority

Sources & remediation

Other references

Weakness type (CWE)

CWE-319

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

STABLE

Threat summary

3 mentions across 2 observed days
Momentum state: stable

What's happening

Technical details provided in 2 signals
Disclosure: 3 classified signals
Peaked at 2 mentions on most recent observed day (2026-09-03)
3 total mentions across 2 days

Deep dive

Activity timeline3 mentions / 2d

Signal classification1 categories

Disclosure

3100.0%

Referenced assets1 URL

By indicator

https://ciphersecuritylabs.com/research/articles/rooted-in-trust-breaking-hp-easy-starts-macos-privilege-boundaries

Classification over time

Date	Total	Labels

2026-09-02	1	Disclosure1
2026-09-03	2	Disclosure2

Full discourse3 posts

Nicolas Krassas@Dinosn46d
Disclosure
Rooted in Trust: Three privilege-escalation vulnerabilities in HP Easy Start for macOS (CVE-2026-12554, CVE-2026-12555, CVE-2026-12556) https://ciphersecuritylabs.com/research/articles/rooted-in-trust-breaking-hp-easy-starts-macos-privilege-boundaries
Post summary
The article announces three new privilege‑escalation vulnerabilities (CVE‑2026‑12554, CVE‑2026‑12555, CVE‑2026‑12556) in HP Easy Start for macOS, but does not provide further exploitation details, patches, or active usage reports.
030855.3K
162.3K followersView on X
/r/netsec@_r_netsec46d
Disclosure
Rooted in Trust: Three privilege-escalation vulnerabilities in HP Easy Start for macOS (CVE-2026-12554, CVE-2026-12555, CVE-2026-12556) https://ciphersecuritylabs.com/research/articles/rooted-in-trust-breaking-hp-easy-starts-macos-privilege-boundaries
Post summary
The post announces three privilege-escalation CVEs (CVE-2026-12554, 12555, 12556) affecting HP Easy Start on macOS, providing basic technical context but no PoC, exploit code, or mitigation details.
010331.2K
34.1K followersView on X
Total Cyber-Sec@totalcybersec45d
Disclosure
2/3 ⚠️ CVE-2026-12555 aprovecha rutas temporales predecibles para provocar modificaciones de archivos con privilegios elevados. CVE-2026-12556, además, permite conexiones inseguras por configuraciones relajadas de transporte. #PrivilegeEscalation
Post summary
The tweet discloses two CVEs, noting that CVE‑2026‑12555 exploits predictable temporary paths to modify files with elevated privileges, while CVE‑2026‑12556 allows insecure connections via relaxed transport configurations.
1000043
15.8K followersView on X

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What researchers are saying

CVE-2026-12556

Nicolas Krassas[verified]@DinosnDisclosure

The article announces three new privilege‑escalation vulnerabilities (CVE‑2026‑12554, CVE‑2026‑12555, CVE‑2026‑12556) in HP Easy Start for macOS, but does not provide further exploitation details, patches, or active usage reports.

/r/netsec@_r_netsecDisclosure

The post announces three privilege-escalation CVEs (CVE-2026-12554, 12555, 12556) affecting HP Easy Start on macOS, providing basic technical context but no PoC, exploit code, or mitigation details.

Total Cyber-Sec@totalcybersecDisclosure

The tweet discloses two CVEs, noting that CVE‑2026‑12555 exploits predictable temporary paths to modify files with elevated privileges, while CVE‑2026‑12556 allows insecure connections via relaxed transport configurations.