A permissions issue was addressed with additional restrictions. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. A malicious app may be able to gain root privileges.
CVE-2026-39875
HIGHPre-NVD 7.87.8—Trending — 4 sources updated this weekElevated
EchelonGraph scoreHIGH confidence
Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2026-07-27. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 7.8; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
7.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
- High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.8Exploit: Elevated riskExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.8
- EG Score
- 7.8(high)
- EG Risk
- 51(Track)EG Risk 51/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity78% × 45%Exploitation40% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 5%
- KEV
- Not listed
Published
July 27, 2026
Last Modified
July 28, 2026
Advisory Details (3)
Auto-updated Jul 27, 2026No patch confirmed yet.
generic
About the security content of macOS Sonoma 14.8.8 - Apple Support
https://support.apple.com/en-us/128072generic
About the security content of macOS Sequoia 15.7.8 - Apple Support
https://support.apple.com/en-us/128071generic
About the security content of macOS Tahoe 26.6 - Apple Support
https://support.apple.com/en-us/128067Vendor Advisories for CVE-2026-39875(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 13× in last 7d / 13× 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.
- 2026-07-29 04:16 UTCEG score recompute
- 2026-07-29 04:16 UTCGHSA enrichment
- 2026-07-28 16:41 UTCEG score recompute
- 2026-07-28 16:41 UTCGHSA enrichment
- 2026-07-28 05:37 UTCGHSA enrichment
- 2026-07-28 04:35 UTCEG score recompute
- 2026-07-28 04:34 UTCGHSA enrichment
- 2026-07-27 22:25 UTCEG score recompute▲ 7.80
- 2026-07-27 22:25 UTCGHSA enrichment
- 2026-07-27 22:21 UTCNVD updateCVSS v3 → 7.8 · severity → HIGH
- 2026-07-27 21:19 UTCNVD update
- 2026-07-27 20:27 UTCEG score recompute
- 2026-07-27 20:24 UTCMITRE cvelistV5first tracked
Publicly available exploits
(1 reference)Working exploit code is in the public domain (1 GitHub PoC). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
- GitHub PoCmac-123456789-lab/CVE-2026-39875-macOS-CUPS-LPEFirst seen Jul 27, 2026
Unprivileged user to root on macOS Sonoma, Sequoia, and Tahoe. Patched in macOS 26.6 / 15.7.8 / 14.8.8.
Open source ↗
Related CVEs(same CWE)
Same CWE
10 shownCWE-276
- CVE-2014-7210EG 9.8CRITICAL
- CVE-2017-18915EG 9.8CRITICAL
- CVE-2017-16128EG 9.8CRITICAL
- CVE-2017-16127EG 9.8CRITICAL
- CVE-2017-0847EG 9.8CRITICAL
- CVE-2017-5642EG 9.8CRITICAL
- CVE-2013-0632EG 9.8 KEVEPSS p100CRITICAL
- CVE-1999-0426EG 9.8EPSS p95CRITICAL
- CVE-2017-11610NVD 8.8EG 9.0EPSS p100CRITICAL
- CVE-2014-2723EG 8.8HIGH
Frequently asked(5)
What is CVE-2026-39875?
CVE-2026-39875 is a high vulnerability published on July 27, 2026. A permissions issue was addressed with additional restrictions. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. A malicious app may be able to gain root privileges.
When was CVE-2026-39875 disclosed?
CVE-2026-39875 was first published in the National Vulnerability Database on July 27, 2026, with the most recent update on July 28, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-39875 actively exploited?
CVE-2026-39875 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 94.7% of all scored CVEs.
What is the CVSS score of CVE-2026-39875?
CVE-2026-39875 has a CVSS v3.1 base score of 7.8 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-39875?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-39875, 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-2026-39875
Is Your Infrastructure Affected by CVE-2026-39875?
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