CVE-2026-47591

HIGHPre-NVD 7.87.8—
EchelonGraph scoreHIGH confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2026-09-30. A secondary CVSS source baseline 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
7.8EG
EchelonGraph verdictPlan mitigationSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.1%CVSS: 7.8Exploit: None knownExposed services: Not assessed

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

NVIDIA GPU Display Driver for Linux contains a vulnerability in the kernel mode layer where an unprivileged user could bypass read-only memory protection due to incorrect authorization, enabling write access to memory marked read-only. A successful exploit of this vulnerability might lead to code execution, denial of service, escalation of privileges, information disclosure, and data tampering.

CVSS v3
7.8
EG Score
7.8HIGHhigh confidence
EG Risk
35
EG Risk 35/100CISA SSVC

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 computed
Severity78% × 45%
Exploitation0% × 40%
Automatability0% × 15%
CISA SSVC: Track at low or medium mission impact; Track* at high (mission-essential systems).
Action: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.
EPSS PROB
0.1%
EPSS %ILE
1st
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Track* at high (mission-essential systems).

No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

September 30, 2026

Last Modified

October 2, 2026

Advisory Details (2)

Auto-updated Sep 30, 2026
No patch confirmed yet.
generic

product-security/2026/5861 at main · NVIDIA/product-security · GitHub

https://github.com/NVIDIA/product-security/tree/main/2026/5861

Vendor Advisories for CVE-2026-47591(1)

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

Affected Packages

(9 across 3 ecosystems)
Debian:12(5)
PackageVulnerable rangeFix by version rangeDependents
nvidia-graphics-drivers1.0.6629+1-2 ... 555.58.02-3 (645 versions)
  • every version on: no fix on record
—
nvidia-graphics-drivers-tesla418.116.00-1 ... 525.85.12-1 (29 versions)
  • every version up to 525.147.05-6: fixed in 525.147.05-6
—
nvidia-graphics-drivers-tesla-470470.103.01-1 ... 470.82.01-1 (54 versions)
  • every version on: no fix on record
—
nvidia-graphics-drivers-tesla-535535.216.01-1 ... 535.274.02-2 (11 versions)
  • every version on: no fix on record
—
nvidia-open-gpu-kernel-modules515.43.04-1 ... 555.58.02-2 (65 versions)
  • every version on: no fix on record
—
Debian:13(3)
PackageVulnerable rangeFix by version rangeDependents
nvidia-graphics-drivers1.0.6629+1-2 ... 555.58.02-3 (644 versions)
  • every version on: no fix on record
—
nvidia-graphics-drivers-tesla-535535.216.01-1 ... 535.274.02-2 (11 versions)
  • every version on: no fix on record
—
nvidia-open-gpu-kernel-modules515.43.04-1 ... 555.58.02-2 (65 versions)
  • every version on: no fix on record
—
Debian:14(1)
PackageVulnerable rangeFix by version rangeDependents
nvidia-graphics-drivers1.0.6629+1-2 ... 555.58.02-3 (644 versions)
  • every version on: no fix on record
—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 25× in last 7d / 25× 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. 2026-10-05 09:32 UTCEG score recompute
  2. 2026-10-05 09:32 UTCGHSA enrichment
  3. 2026-10-04 23:22 UTCEPSS rescore
  4. 2026-10-04 20:44 UTCGHSA enrichment
  5. 2026-10-04 07:55 UTCGHSA enrichment
  6. 2026-10-03 19:05 UTCEG score recompute
  7. 2026-10-03 19:05 UTCGHSA enrichment
  8. 2026-10-03 14:25 UTCEPSS rescore
  9. 2026-10-03 06:14 UTCEG score recompute
  10. 2026-10-03 06:14 UTCGHSA enrichment
  11. 2026-10-02 17:25 UTCGHSA enrichment
  12. 2026-10-02 04:32 UTCEG score recompute
  13. 2026-10-02 04:32 UTCGHSA enrichment
  14. 2026-10-02 04:05 UTCEG score recompute
  15. 2026-10-02 04:04 UTCGHSA enrichment
  16. 2026-10-01 20:08 UTCEG score recompute
  17. 2026-10-01 20:08 UTCGHSA enrichment
  18. 2026-10-01 19:50 UTCEPSS rescore
  19. 2026-10-01 07:19 UTCEG score recompute
  20. 2026-10-01 07:19 UTCGHSA enrichment
  21. 2026-09-30 18:31 UTCEG score recompute
  22. 2026-09-30 18:06 UTCEG score recompute
  23. 2026-09-30 16:20 UTCEG score recompute
  24. 2026-09-30 16:03 UTCEG score recompute
  25. 2026-09-30 16:01 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-47591?
CVE-2026-47591 is a high vulnerability published on September 30, 2026. NVIDIA GPU Display Driver for Linux contains a vulnerability in the kernel mode layer where an unprivileged user could bypass read-only memory protection due to incorrect authorization, enabling write access to memory marked read-only. A successful exploit of this vulnerability might lead to code…
When was CVE-2026-47591 disclosed?
CVE-2026-47591 was first published on September 30, 2026, with the most recent update on October 2, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-47591 actively exploited?
CVE-2026-47591 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.1% probability of exploitation in the next 30 days (1st percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-47591?
CVE-2026-47591 has a CVSS base score of 7.8 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-47591?
No fix for CVE-2026-47591 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix. The vendor advisories EchelonGraph has for CVE-2026-47591 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-47591

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