CVE-2022-22620

CRITICALNVD 8.89.0
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2022-02-11), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 8.8 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 5 sources updated this weekExploited in the wild
9.0EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 16%CVSS: 8.8Exploit: cisa kev · ssvc active · epss top5pct · public exploitExposed: 0

A fix is available — apply it.

A use after free issue was addressed with improved memory management. This issue is fixed in macOS Monterey 12.2.1, iOS 15.3.1 and iPadOS 15.3.1, Safari 15.3 (v. 16612.4.9.1.8 and 15612.4.9.1.8). Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited..

CVSS v3
8.8
EG Score
9.0(high)
EG Risk
81(Attend)
EG Risk 81/100SSVC: Attend

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
Severity90% × 45%
Exploitation100% × 40%
Automatability0% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
16%
EPSS %ILE
97%
KEV
⚠ Exploited

Published

March 18, 2022

Last Modified

October 23, 2025

Advisory Details (5)

Auto-updated Jun 2, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: cisa.
cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-22620
generic🔴 Active Exploitation

About the security content of iOS 15.3.1 and iPadOS 15.3.1 - Apple Support

https://support.apple.com/en-us/HT213093
generic🔴 Active Exploitation

About the security content of macOS Monterey 12.2.1 - Apple Support

https://support.apple.com/en-us/HT213092
generic🔴 Active Exploitation

About the security content of Safari 15.3 - Apple Support

https://support.apple.com/en-us/HT213091
generic

WebKitGTK+: Multiple Vulnerabilities (GLSA 202208-39) — Gentoo security

https://security.gentoo.org/glsa/202208-39

Vendor Advisories for CVE-2022-22620(1)

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

Patch Availability(2)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatwebkitgtk4-0:2.48.3-2.el7_92025-07-07redhat
redhatwebkit2gtk3-0:2.34.6-1.el82022-05-10redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

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

Additional Vendor Advisories

(1)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 68× in last 7d / 385× 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.

Showing the most recent 100 of 781 total refreshes for this CVE.

  1. 2026-07-27 10:19 UTCVendor advisory
  2. 2026-07-27 10:19 UTCGHSA enrichment
  3. 2026-07-27 06:18 UTCVendor advisory
  4. 2026-07-27 06:17 UTCGHSA enrichment
  5. 2026-07-27 02:16 UTCVendor advisory
  6. 2026-07-27 02:16 UTCGHSA enrichment
  7. 2026-07-26 22:14 UTCVendor advisory
  8. 2026-07-26 22:14 UTCGHSA enrichment
  9. 2026-07-26 18:13 UTCEG score recompute
  10. 2026-07-26 18:13 UTCVendor advisory
  11. 2026-07-26 18:13 UTCGHSA enrichment
  12. 2026-07-26 14:52 UTCEPSS rescore
  13. 2026-07-26 14:52 UTCEPSS rescore
  14. 2026-07-26 14:11 UTCEG score recompute
  15. 2026-07-26 14:11 UTCVendor advisory
  16. 2026-07-26 14:11 UTCGHSA enrichment
  17. 2026-07-26 10:09 UTCVendor advisory
  18. 2026-07-26 10:08 UTCGHSA enrichment
  19. 2026-07-26 06:06 UTCVendor advisory
  20. 2026-07-26 06:05 UTCGHSA enrichment
  21. 2026-07-26 02:00 UTCEG score recompute
  22. 2026-07-26 02:00 UTCVendor advisory
  23. 2026-07-26 02:00 UTCGHSA enrichment
  24. 2026-07-25 14:15 UTCEPSS rescore
  25. 2026-07-24 14:15 UTCEPSS rescore
Show 75 more
  1. 2026-07-23 14:16 UTCEPSS rescore
  2. 2026-07-23 02:08 UTCEG score recompute
  3. 2026-07-22 21:46 UTCEG score recompute
  4. 2026-07-22 21:46 UTCVendor advisory
  5. 2026-07-22 21:46 UTCGHSA enrichment
  6. 2026-07-22 19:40 UTCCISA KEV update
  7. 2026-07-22 17:45 UTCEG score recompute
  8. 2026-07-22 17:45 UTCVendor advisory
  9. 2026-07-22 17:44 UTCGHSA enrichment
  10. 2026-07-22 14:06 UTCEPSS rescore
  11. 2026-07-22 14:06 UTCEPSS rescore
  12. 2026-07-22 13:43 UTCVendor advisory
  13. 2026-07-22 13:42 UTCGHSA enrichment
  14. 2026-07-22 09:41 UTCVendor advisory
  15. 2026-07-22 09:41 UTCGHSA enrichment
  16. 2026-07-22 05:40 UTCVendor advisory
  17. 2026-07-22 05:40 UTCGHSA enrichment
  18. 2026-07-22 01:39 UTCVendor advisory
  19. 2026-07-22 01:39 UTCGHSA enrichment
  20. 2026-07-21 21:38 UTCVendor advisory
  21. 2026-07-21 21:37 UTCGHSA enrichment
  22. 2026-07-21 17:36 UTCEG score recompute
  23. 2026-07-21 17:36 UTCVendor advisory
  24. 2026-07-21 17:36 UTCGHSA enrichment
  25. 2026-07-21 15:22 UTCEPSS rescore
  26. 2026-07-21 15:22 UTCEPSS rescore
  27. 2026-07-21 14:37 UTCCISA KEV update
  28. 2026-07-21 13:35 UTCVendor advisory
  29. 2026-07-21 13:35 UTCGHSA enrichment
  30. 2026-07-21 09:35 UTCVendor advisory
  31. 2026-07-21 09:35 UTCGHSA enrichment
  32. 2026-07-21 05:32 UTCVendor advisory
  33. 2026-07-21 05:32 UTCGHSA enrichment
  34. 2026-07-21 01:29 UTCVendor advisory
  35. 2026-07-21 01:29 UTCGHSA enrichment
  36. 2026-07-20 21:27 UTCVendor advisory
  37. 2026-07-20 21:27 UTCGHSA enrichment
  38. 2026-07-20 17:26 UTCEG score recompute
  39. 2026-07-20 17:26 UTCVendor advisory
  40. 2026-07-20 17:26 UTCGHSA enrichment
  41. 2026-07-20 17:05 UTCEPSS rescore
  42. 2026-07-20 13:25 UTCVendor advisory
  43. 2026-07-20 13:25 UTCGHSA enrichment
  44. 2026-07-20 09:24 UTCVendor advisory
  45. 2026-07-20 09:24 UTCGHSA enrichment
  46. 2026-07-20 05:24 UTCVendor advisory
  47. 2026-07-20 05:24 UTCGHSA enrichment
  48. 2026-07-20 01:23 UTCVendor advisory
  49. 2026-07-20 01:23 UTCGHSA enrichment
  50. 2026-07-19 21:22 UTCVendor advisory
  51. 2026-07-19 21:22 UTCGHSA enrichment
  52. 2026-07-19 17:21 UTCEG score recompute
  53. 2026-07-19 17:21 UTCVendor advisory
  54. 2026-07-19 17:21 UTCGHSA enrichment
  55. 2026-07-19 14:29 UTCEPSS rescore
  56. 2026-07-19 13:20 UTCVendor advisory
  57. 2026-07-19 13:20 UTCGHSA enrichment
  58. 2026-07-19 09:19 UTCVendor advisory
  59. 2026-07-19 09:19 UTCGHSA enrichment
  60. 2026-07-19 05:18 UTCEG score recompute
  61. 2026-07-19 05:18 UTCVendor advisory
  62. 2026-07-19 05:18 UTCGHSA enrichment
  63. 2026-07-19 02:27 UTCEPSS rescore
  64. 2026-07-19 01:17 UTCVendor advisory
  65. 2026-07-19 01:16 UTCGHSA enrichment
  66. 2026-07-18 21:14 UTCVendor advisory
  67. 2026-07-18 21:14 UTCGHSA enrichment
  68. 2026-07-18 17:13 UTCVendor advisory
  69. 2026-07-18 17:13 UTCGHSA enrichment
  70. 2026-07-18 13:11 UTCEG score recompute
  71. 2026-07-18 13:11 UTCVendor advisory
  72. 2026-07-18 13:11 UTCGHSA enrichment
  73. 2026-07-18 10:02 UTCEPSS rescore
  74. 2026-07-18 10:02 UTCEPSS rescore
  75. 2026-07-18 09:10 UTCVendor advisory

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 PoCspringsec/CVE-2022-22620
    First seen Aug 4, 2022

    Webkit (Safari) - Exploit

    Open source ↗

Frequently asked(6)

What is CVE-2022-22620?
CVE-2022-22620 is a critical vulnerability published on March 18, 2022. A use after free issue was addressed with improved memory management. This issue is fixed in macOS Monterey 12.2.1, iOS 15.3.1 and iPadOS 15.3.1, Safari 15.3 (v. 16612.4.9.1.8 and 15612.4.9.1.8). Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a…
When was CVE-2022-22620 disclosed?
CVE-2022-22620 was first published in the National Vulnerability Database on March 18, 2022, with the most recent update on October 23, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2022-22620 actively exploited?
Yes. CISA added CVE-2022-22620 to the Known Exploited Vulnerabilities catalog on February 11, 2022, affecting Apple iOS, iPadOS, and macOS. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2022-22620?
CVE-2022-22620 has a CVSS v3 base score of 8.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2022-22620?
CVE-2022-22620 affects Apple iOS, iPadOS, and macOS. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2022-22620?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-22620, 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-2022-22620

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