CVE-2026-58583

HIGHPre-NVD 7.17.1
EchelonGraph scoreHIGH confidence

Score 7.1 from GitHub Security Advisory (severity: HIGH) published 2026-07-07. a secondary CVSS source baseline 7.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
7.1
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.1Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

FluxInk (formerly Sunia SPB Peripheral) Color Management Driver (TcnPeripheral64.sys) 1.0.7.2 allows local privilege escalation for a standard user account via arbitrary physical memory mapping at \Device\PhysicalMemory. Fixed in version 1.0.7.6. The fixed driver is currently available in the Windows 11 25H2 HLK (Hardware Lab Kit). The fixed driver may be available through Windows Update or from Lenovo directly.

CVSS v3
7.1
EG Score
7.1(high)
EPSS
1.1%
KEV
Not listed

Published

July 7, 2026

Last Modified

July 8, 2026

Advisory Details (3)

Auto-updated Jul 7, 2026
🔬 Proof of concept available. Patch available. Sources: github.
github Patch Available🟡 PoC Available

TcnPeripheral64.sys - Arbitrary Physical Memory Read/Write leading to Local Privilege Escalation · Advisory · b3s3da/TcnPeripheral64_PoC · GitHub

https://github.com/b3s3da/TcnPeripheral64_PoC/security/advisories/GHSA-x4rw-h4v2-v83h
generic🟡 PoC Available

GitHub - b3s3da/TcnPeripheral64_PoC: PoC for Local Privilege Escalation (LPE) in Sunia SPB Peripheral Driver (TcnPeripheral64.sys). exploits arbitrary physical memory mapping. · GitHub

https://github.com/b3s3da/TcnPeripheral64_PoC

Vendor Advisories for CVE-2026-58583(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 38× in last 7d / 46× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-15 20:26 UTCEG score recompute
  2. 2026-07-15 20:26 UTCGHSA enrichment
  3. 2026-07-15 16:57 UTCEPSS rescore
  4. 2026-07-15 16:57 UTCEPSS rescore
  5. 2026-07-15 09:11 UTCEG score recompute
  6. 2026-07-15 09:10 UTCGHSA enrichment
  7. 2026-07-15 02:00 UTCEPSS rescore
  8. 2026-07-15 02:00 UTCEPSS rescore
  9. 2026-07-14 21:56 UTCEG score recompute
  10. 2026-07-14 21:56 UTCGHSA enrichment
  11. 2026-07-14 10:41 UTCEG score recompute
  12. 2026-07-14 10:41 UTCGHSA enrichment
  13. 2026-07-13 23:25 UTCEG score recompute
  14. 2026-07-13 23:25 UTCGHSA enrichment
  15. 2026-07-13 22:31 UTCEPSS rescore
  16. 2026-07-13 12:10 UTCEG score recompute
  17. 2026-07-13 12:10 UTCGHSA enrichment
  18. 2026-07-13 00:52 UTCEG score recompute
  19. 2026-07-13 00:52 UTCGHSA enrichment
  20. 2026-07-12 13:37 UTCEG score recompute
  21. 2026-07-12 13:36 UTCGHSA enrichment
  22. 2026-07-12 05:46 UTCEPSS rescore
  23. 2026-07-12 02:21 UTCEG score recompute
  24. 2026-07-12 02:21 UTCGHSA enrichment
  25. 2026-07-11 15:06 UTCEG score recompute
Show 21 more
  1. 2026-07-11 15:06 UTCGHSA enrichment
  2. 2026-07-11 03:51 UTCEG score recompute
  3. 2026-07-11 03:51 UTCGHSA enrichment
  4. 2026-07-10 16:36 UTCEG score recompute
  5. 2026-07-10 16:36 UTCGHSA enrichment
  6. 2026-07-10 05:21 UTCEG score recompute
  7. 2026-07-10 05:21 UTCGHSA enrichment
  8. 2026-07-09 19:10 UTCEPSS rescore
  9. 2026-07-09 19:10 UTCEPSS rescore
  10. 2026-07-09 18:06 UTCEG score recompute
  11. 2026-07-09 18:06 UTCGHSA enrichment
  12. 2026-07-09 06:50 UTCEG score recompute
  13. 2026-07-09 06:50 UTCGHSA enrichment
  14. 2026-07-08 19:35 UTCEG score recompute
  15. 2026-07-08 19:35 UTCGHSA enrichment
  16. 2026-07-08 15:16 UTCEPSS rescore
  17. 2026-07-08 15:16 UTCEPSS rescore
  18. 2026-07-08 08:20 UTCEG score recompute
  19. 2026-07-08 08:20 UTCGHSA enrichment
  20. 2026-07-07 21:03 UTCEG score recompute
  21. 2026-07-07 21:01 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-58583?
CVE-2026-58583 is a high vulnerability published on July 7, 2026. FluxInk (formerly Sunia SPB Peripheral) Color Management Driver (TcnPeripheral64.sys) 1.0.7.2 allows local privilege escalation for a standard user account via arbitrary physical memory mapping at \Device\PhysicalMemory. Fixed in version 1.0.7.6. The fixed driver is currently available in the…
When was CVE-2026-58583 disclosed?
CVE-2026-58583 was first published in the National Vulnerability Database on July 7, 2026, with the most recent update on July 8, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-58583 actively exploited?
CVE-2026-58583 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-58583?
CVE-2026-58583 has a CVSS v3 base score of 7.1 (NVD).
How do I remediate CVE-2026-58583?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-58583, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-58583

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