CVE-2026-22780

MEDIUMNVD 4.44.4—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 4.4 under NVD CVSS v3. EPSS exploit probability: 0.2%, top 92% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
4.4
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 4.4Exploit: NoneExposed: 0

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

Rizin is a UNIX-like reverse engineering framework and command-line toolset. Prior to 0.8.2, a heap overflow can be exploited when a malicious mach0 file, having bogus entries for the dyld chained segments, is parsed by rizin. This vulnerability is fixed in 0.8.2.

CVSS v3
4.4
EG Score
4.4(medium)
EG Risk
20(Track)
EG Risk 20/100SSVC: 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
Severity44% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
7.6%
KEV
Not listed

Published

February 2, 2026

Last Modified

February 20, 2026

References (6)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 13× in last 7d / 52× 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. 2026-07-23 14:18 UTCEPSS rescore
  2. 2026-07-23 14:18 UTCEPSS rescore
  3. 2026-07-23 03:06 UTCEG score recompute
  4. 2026-07-22 14:08 UTCEPSS rescore
  5. 2026-07-21 15:24 UTCEPSS rescore
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  20. 2026-07-13 22:30 UTCEPSS rescore
  21. 2026-07-13 09:38 UTCOSV refresh
  22. 2026-07-13 06:13 UTCEPSS rescore
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  1. 2026-07-11 08:27 UTCEPSS rescore
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  3. 2026-07-08 15:15 UTCEPSS rescore
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  5. 2026-07-07 13:46 UTCEPSS rescore
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  8. 2026-07-06 02:23 UTCEPSS rescore
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  20. 2026-06-28 04:56 UTCEPSS rescore
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  22. 2026-06-27 03:08 UTCEPSS rescore
  23. 2026-06-25 13:49 UTCEPSS rescore
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  25. 2026-06-25 01:31 UTCOSV refresh
  26. 2026-06-24 14:05 UTCEPSS rescore
  27. 2026-06-24 14:05 UTCEPSS rescore
  28. 2026-06-23 21:33 UTCEPSS rescore
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  36. 2026-06-19 19:25 UTCEPSS rescore
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  44. 2026-06-12 23:12 UTCEPSS rescore
  45. 2026-06-11 14:00 UTCEPSS rescore
  46. 2026-06-10 22:18 UTCEPSS rescore
  47. 2026-06-10 13:22 UTCEPSS rescore
  48. 2026-06-08 14:17 UTCEPSS rescore
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  50. 2026-06-07 15:25 UTCEPSS rescore
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  52. 2026-06-06 13:47 UTCEPSS rescore
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  58. 2026-06-04 13:12 UTCEPSS rescore
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  63. 2026-06-01 13:51 UTCEPSS rescore
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  66. 2026-05-31 22:30 UTCEPSS rescore
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  68. 2026-05-31 00:16 UTCEPSS rescore
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  70. 2026-05-31 00:16 UTCEPSS rescore
  71. 2026-05-29 14:52 UTCEG score recompute
  72. 2026-05-29 13:44 UTCEPSS rescore
  73. 2026-05-29 13:44 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-22780?
CVE-2026-22780 is a medium vulnerability published on February 2, 2026. Rizin is a UNIX-like reverse engineering framework and command-line toolset. Prior to 0.8.2, a heap overflow can be exploited when a malicious mach0 file, having bogus entries for the dyld chained segments, is parsed by rizin. This vulnerability is fixed in 0.8.2.
When was CVE-2026-22780 disclosed?
CVE-2026-22780 was first published in the National Vulnerability Database on February 2, 2026, with the most recent update on February 20, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-22780 actively exploited?
CVE-2026-22780 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 7.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-22780?
CVE-2026-22780 has a CVSS v3 base score of 4.4 (NVD).
How do I remediate CVE-2026-22780?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-22780, 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.

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