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.
CVE-2026-58583
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.
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- 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, 2026TcnPeripheral64.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-v83hGitHub - 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_PoCVendor 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.
- 2026-07-15 20:26 UTCEG score recompute
- 2026-07-15 20:26 UTCGHSA enrichment
- 2026-07-15 16:57 UTCEPSS rescore
- 2026-07-15 16:57 UTCEPSS rescore
- 2026-07-15 09:11 UTCEG score recompute
- 2026-07-15 09:10 UTCGHSA enrichment
- 2026-07-15 02:00 UTCEPSS rescore
- 2026-07-15 02:00 UTCEPSS rescore
- 2026-07-14 21:56 UTCEG score recompute
- 2026-07-14 21:56 UTCGHSA enrichment
- 2026-07-14 10:41 UTCEG score recompute
- 2026-07-14 10:41 UTCGHSA enrichment
- 2026-07-13 23:25 UTCEG score recompute
- 2026-07-13 23:25 UTCGHSA enrichment
- 2026-07-13 22:31 UTCEPSS rescore
- 2026-07-13 12:10 UTCEG score recompute
- 2026-07-13 12:10 UTCGHSA enrichment
- 2026-07-13 00:52 UTCEG score recompute
- 2026-07-13 00:52 UTCGHSA enrichment
- 2026-07-12 13:37 UTCEG score recompute
- 2026-07-12 13:36 UTCGHSA enrichment
- 2026-07-12 05:46 UTCEPSS rescore
- 2026-07-12 02:21 UTCEG score recompute
- 2026-07-12 02:21 UTCGHSA enrichment
- 2026-07-11 15:06 UTCEG score recompute
Show 21 moreShow fewer
- 2026-07-11 15:06 UTCGHSA enrichment
- 2026-07-11 03:51 UTCEG score recompute
- 2026-07-11 03:51 UTCGHSA enrichment
- 2026-07-10 16:36 UTCEG score recompute
- 2026-07-10 16:36 UTCGHSA enrichment
- 2026-07-10 05:21 UTCEG score recompute
- 2026-07-10 05:21 UTCGHSA enrichment
- 2026-07-09 19:10 UTCEPSS rescore
- 2026-07-09 19:10 UTCEPSS rescore
- 2026-07-09 18:06 UTCEG score recompute
- 2026-07-09 18:06 UTCGHSA enrichment
- 2026-07-09 06:50 UTCEG score recompute
- 2026-07-09 06:50 UTCGHSA enrichment
- 2026-07-08 19:35 UTCEG score recompute
- 2026-07-08 19:35 UTCGHSA enrichment
- 2026-07-08 15:16 UTCEPSS rescore
- 2026-07-08 15:16 UTCEPSS rescore
- 2026-07-08 08:20 UTCEG score recompute
- 2026-07-08 08:20 UTCGHSA enrichment
- 2026-07-07 21:03 UTCEG score recompute
- 2026-07-07 21:01 UTCMITRE cvelistV5first tracked
Related CVEs(same CWE)
Same CWE
10 shownCWE-269
Frequently asked(5)
What is CVE-2026-58583?
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What is the CVSS score of CVE-2026-58583?
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Dependency Blast Radius
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