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..
CVE-2022-22620
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.
- Actively exploited in the wild (CISA-KEV)
A fix is available — apply it.
- 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 computedSeverity90% × 45%Exploitation100% × 40%Automatability0% × 15%Action: Remediate soon — notable exploitation risk. - EPSS
- 96.6%
- KEV
- ⚠ Exploited
Published
March 18, 2022
Last Modified
October 23, 2025
Advisory Details (5)
Auto-updated Jun 2, 2026Known 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-2022-22620About the security content of iOS 15.3.1 and iPadOS 15.3.1 - Apple Support
https://support.apple.com/en-us/HT213093About the security content of macOS Monterey 12.2.1 - Apple Support
https://support.apple.com/en-us/HT213092About the security content of Safari 15.3 - Apple Support
https://support.apple.com/en-us/HT213091WebKitGTK+: Multiple Vulnerabilities (GLSA 202208-39) — Gentoo security
https://security.gentoo.org/glsa/202208-39Vendor 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 / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| redhat | webkitgtk4-0:2.48.3-2.el7_9 | 2025-07-07 | redhat |
| redhat | webkit2gtk3-0:2.34.6-1.el8 | 2022-05-10 | redhat |
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 103× in last 7d / 415× 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 755 total refreshes for this CVE.
- 2026-07-23 02:08 UTCEG score recompute
- 2026-07-22 21:46 UTCEG score recompute
- 2026-07-22 21:46 UTCVendor advisory
- 2026-07-22 21:46 UTCGHSA enrichment
- 2026-07-22 19:40 UTCCISA KEV update
- 2026-07-22 17:45 UTCEG score recompute
- 2026-07-22 17:45 UTCVendor advisory
- 2026-07-22 17:44 UTCGHSA enrichment
- 2026-07-22 14:06 UTCEPSS rescore
- 2026-07-22 14:06 UTCEPSS rescore
- 2026-07-22 13:43 UTCVendor advisory
- 2026-07-22 13:42 UTCGHSA enrichment
- 2026-07-22 09:41 UTCVendor advisory
- 2026-07-22 09:41 UTCGHSA enrichment
- 2026-07-22 05:40 UTCVendor advisory
- 2026-07-22 05:40 UTCGHSA enrichment
- 2026-07-22 01:39 UTCVendor advisory
- 2026-07-22 01:39 UTCGHSA enrichment
- 2026-07-21 21:38 UTCVendor advisory
- 2026-07-21 21:37 UTCGHSA enrichment
- 2026-07-21 17:36 UTCEG score recompute
- 2026-07-21 17:36 UTCVendor advisory
- 2026-07-21 17:36 UTCGHSA enrichment
- 2026-07-21 15:22 UTCEPSS rescore
- 2026-07-21 15:22 UTCEPSS rescore
Show 75 moreShow fewer
- 2026-07-21 14:37 UTCCISA KEV update
- 2026-07-21 13:35 UTCVendor advisory
- 2026-07-21 13:35 UTCGHSA enrichment
- 2026-07-21 09:35 UTCVendor advisory
- 2026-07-21 09:35 UTCGHSA enrichment
- 2026-07-21 05:32 UTCVendor advisory
- 2026-07-21 05:32 UTCGHSA enrichment
- 2026-07-21 01:29 UTCVendor advisory
- 2026-07-21 01:29 UTCGHSA enrichment
- 2026-07-20 21:27 UTCVendor advisory
- 2026-07-20 21:27 UTCGHSA enrichment
- 2026-07-20 17:26 UTCEG score recompute
- 2026-07-20 17:26 UTCVendor advisory
- 2026-07-20 17:26 UTCGHSA enrichment
- 2026-07-20 17:05 UTCEPSS rescore
- 2026-07-20 13:25 UTCVendor advisory
- 2026-07-20 13:25 UTCGHSA enrichment
- 2026-07-20 09:24 UTCVendor advisory
- 2026-07-20 09:24 UTCGHSA enrichment
- 2026-07-20 05:24 UTCVendor advisory
- 2026-07-20 05:24 UTCGHSA enrichment
- 2026-07-20 01:23 UTCVendor advisory
- 2026-07-20 01:23 UTCGHSA enrichment
- 2026-07-19 21:22 UTCVendor advisory
- 2026-07-19 21:22 UTCGHSA enrichment
- 2026-07-19 17:21 UTCEG score recompute
- 2026-07-19 17:21 UTCVendor advisory
- 2026-07-19 17:21 UTCGHSA enrichment
- 2026-07-19 14:29 UTCEPSS rescore
- 2026-07-19 13:20 UTCVendor advisory
- 2026-07-19 13:20 UTCGHSA enrichment
- 2026-07-19 09:19 UTCVendor advisory
- 2026-07-19 09:19 UTCGHSA enrichment
- 2026-07-19 05:18 UTCEG score recompute
- 2026-07-19 05:18 UTCVendor advisory
- 2026-07-19 05:18 UTCGHSA enrichment
- 2026-07-19 02:27 UTCEPSS rescore
- 2026-07-19 01:17 UTCVendor advisory
- 2026-07-19 01:16 UTCGHSA enrichment
- 2026-07-18 21:14 UTCVendor advisory
- 2026-07-18 21:14 UTCGHSA enrichment
- 2026-07-18 17:13 UTCVendor advisory
- 2026-07-18 17:13 UTCGHSA enrichment
- 2026-07-18 13:11 UTCEG score recompute
- 2026-07-18 13:11 UTCVendor advisory
- 2026-07-18 13:11 UTCGHSA enrichment
- 2026-07-18 10:02 UTCEPSS rescore
- 2026-07-18 10:02 UTCEPSS rescore
- 2026-07-18 09:10 UTCVendor advisory
- 2026-07-18 09:10 UTCGHSA enrichment
- 2026-07-18 05:09 UTCVendor advisory
- 2026-07-18 05:09 UTCGHSA enrichment
- 2026-07-18 01:06 UTCVendor advisory
- 2026-07-18 01:06 UTCGHSA enrichment
- 2026-07-17 21:05 UTCVendor advisory
- 2026-07-17 21:05 UTCGHSA enrichment
- 2026-07-17 17:04 UTCVendor advisory
- 2026-07-17 17:04 UTCGHSA enrichment
- 2026-07-17 13:03 UTCVendor advisory
- 2026-07-17 13:03 UTCGHSA enrichment
- 2026-07-17 09:02 UTCEG score recompute
- 2026-07-17 09:02 UTCVendor advisory
- 2026-07-17 09:02 UTCGHSA enrichment
- 2026-07-17 05:00 UTCVendor advisory
- 2026-07-17 05:00 UTCGHSA enrichment
- 2026-07-17 00:59 UTCVendor advisory
- 2026-07-17 00:59 UTCGHSA enrichment
- 2026-07-16 20:58 UTCVendor advisory
- 2026-07-16 20:58 UTCGHSA enrichment
- 2026-07-16 17:04 UTCCISA KEV update
- 2026-07-16 17:00 UTCEPSS rescore
- 2026-07-16 17:00 UTCEPSS rescore
- 2026-07-16 16:57 UTCVendor advisory
- 2026-07-16 16:57 UTCGHSA enrichment
- 2026-07-16 12:56 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-2022-22620First seen Aug 4, 2022
Webkit (Safari) - Exploit
Open source ↗
Related CVEs(same vendor + same CWE)
Same vendor
10 shownredhat
Same CWE
10 shownCWE-416
- CVE-2010-3962NVD 8.1EG 9.0 KEVEPSS 100%HIGH
- CVE-2010-0806NVD 8.8EG 9.0 KEVEPSS 100%HIGH
- CVE-2010-0249NVD 8.8EG 9.0 KEVEPSS 100%HIGH
- CVE-2009-4324NVD 7.8EG 9.0 KEVEPSS 100%HIGH
- CVE-2010-3328EG 8.8EPSS 98%HIGH
- CVE-2010-1772EG 8.8HIGH
- CVE-2010-1208EG 8.8EPSS 92%HIGH
- CVE-2010-0050EG 8.8EPSS 96%HIGH
- CVE-2010-0378EG 8.8EPSS 93%HIGH
- CVE-2009-3658EG 8.8EPSS 95%HIGH
Frequently asked(6)
What is CVE-2022-22620?
When was CVE-2022-22620 disclosed?
Is CVE-2022-22620 actively exploited?
What is the CVSS score of CVE-2022-22620?
Which products are affected by CVE-2022-22620?
How do I remediate CVE-2022-22620?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2022-22620
Is Your Infrastructure Affected by CVE-2022-22620?
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