CVE-2026-91781

LOWPre-NVD 3.33.3—
EchelonGraph scoreHIGH confidence

Score 3.3 from GitHub Security Advisory (severity: LOW) published 2026-09-15. a secondary CVSS source baseline 3.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 5 sources updated this weekElevated
3.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 3.3Exploit: Elevated riskExposed: 0

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

A security vulnerability has been detected in GNU Binutils 2.47. Affected is the function elf_x86_64_common_section_index of the file bfd/elf64-x86-64.c of the component ELF Section Handler. The manipulation leads to null pointer dereference. The attack needs to be performed locally. The exploit has been disclosed publicly and may be used. Upgrading to version 2.48 is able to address this issue. The identifier of the patch is 7322e9bc30cb282575a701c307851fd3d66fee68. It is suggested to upgrade the affected component.

CVSS v3
3.3
EG Score
3.3(high)
EG Risk
31(Track)
EG Risk 31/100SSVC: 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 computed
Severity33% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
3%
KEV
Not listed

Published

September 15, 2026

Last Modified

September 16, 2026

References (8)

Vendor Advisories for CVE-2026-91781(1)

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

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 19× in last 7d / 19× 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. 2026-09-19 22:07 UTCEG score recompute
  2. 2026-09-19 22:07 UTCGHSA enrichment
  3. 2026-09-18 19:28 UTCEPSS rescore
  4. 2026-09-17 19:32 UTCEPSS rescore
  5. 2026-09-16 15:44 UTCEG score recompute
  6. 2026-09-16 15:44 UTCGHSA enrichment
  7. 2026-09-16 14:09 UTCEPSS rescore
  8. 2026-09-16 05:15 UTCEPSS rescore
  9. 2026-09-15 14:52 UTCGHSA enrichment
  10. 2026-09-15 14:32 UTCEG score recompute
  11. 2026-09-15 14:32 UTCGHSA enrichment
  12. 2026-09-15 14:31 UTCNVD updateCVSS v4 → 1.9
  13. 2026-09-15 13:43 UTCEG score recompute
  14. 2026-09-15 13:43 UTCGHSA enrichment
  15. 2026-09-15 13:42 UTCMITRE cvelistV5CVSS v4 → 4.8
  16. 2026-09-15 09:27 UTCEG score recompute
  17. 2026-09-15 09:26 UTCNVD updateCVSS v4 → 1.9
  18. 2026-09-15 08:58 UTCEG score recompute
  19. 2026-09-15 08:57 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-91781?
CVE-2026-91781 is a low vulnerability published on September 15, 2026. A security vulnerability has been detected in GNU Binutils 2.47. Affected is the function elfx8664commonsection_index of the file bfd/elf64-x86-64.c of the component ELF Section Handler. The manipulation leads to null pointer dereference. The attack needs to be performed locally. The exploit has…
When was CVE-2026-91781 disclosed?
CVE-2026-91781 was first published in the National Vulnerability Database on September 15, 2026, with the most recent update on September 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-91781 actively exploited?
CVE-2026-91781 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 97.0% of all scored CVEs.
What is the CVSS score of CVE-2026-91781?
CVE-2026-91781 has a CVSS v3 base score of 3.3 (NVD).
How do I remediate CVE-2026-91781?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-91781, 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-2026-91781

Explore →

Is Your Infrastructure Affected by CVE-2026-91781?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs