An issue was discovered in certain Apple products. iOS before 10.3 is affected. macOS before 10.12.4 is affected. tvOS before 10.2 is affected. watchOS before 3.2 is affected. The issue involves the "Kernel" component. It allows attackers to execute arbitrary code in a privileged context or cause a denial of service (memory corruption) via a crafted app.
CVE-2017-2473
Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2022-05-14. NVD baseline CVSS 7.8; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.8
- EG Score
- 7.8(medium)
- EPSS
- 90.7%
- KEV
- Not listed
Published
April 2, 2017
Last Modified
May 13, 2026
References (14)
- product-security@applehttp://www.securityfocus.com/bid/97137
- product-security@applehttp://www.securitytracker.com/id/1038138
- product-security@applehttps://support.apple.com/HT207601
- product-security@applehttps://support.apple.com/HT207602
- product-security@applehttps://support.apple.com/HT207615
- product-security@applehttps://support.apple.com/HT207617
- product-security@applehttps://www.exploit-db.com/exploits/41792/
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/97137
- af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1038138
- af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/HT207601
- af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/HT207602
- af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/HT207615
- af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/HT207617
- af854a3a-2127-422b-91ae-364da2661108https://www.exploit-db.com/exploits/41792/
Data Freshness Timeline
(refreshed 11× in last 7d / 38× 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.
- 2026-07-07 13:42 UTCEPSS rescore
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- 2026-06-28 04:53 UTCEPSS rescore
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- 2026-06-25 13:47 UTCEPSS rescore
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- 2026-06-19 19:23 UTCEPSS rescore
- 2026-06-18 17:50 UTCEPSS rescore
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- 2026-06-14 23:14 UTCEPSS rescore
- 2026-06-13 22:57 UTCEPSS rescore
- 2026-06-12 23:09 UTCEPSS rescore
- 2026-06-10 22:15 UTCEPSS rescore
- 2026-06-10 13:19 UTCEPSS rescore
- 2026-06-07 15:22 UTCEPSS rescore
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- 2026-06-05 22:44 UTCEPSS rescore
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- 2026-06-04 13:10 UTCEPSS rescore
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- 2026-06-01 13:49 UTCEPSS rescore
- 2026-05-31 22:28 UTCEPSS rescore
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- 2026-05-31 00:14 UTCEPSS rescore
- 2026-05-31 00:14 UTCEPSS rescore
- 2026-05-29 13:41 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-27 13:38 UTCEPSS rescore
- 2026-05-27 13:38 UTCEPSS rescore
- 2026-05-26 07:17 UTCEPSS rescore
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- 2026-05-22 21:15 UTCEPSS rescore
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- 2026-05-22 21:15 UTCEPSS rescore
- 2026-05-22 21:15 UTCEPSS rescore
- 2026-05-22 14:46 UTCEG score recompute
- 2026-05-22 14:46 UTCGHSA enrichment
- 2026-05-21 22:40 UTCEPSS rescore
- 2026-05-20 22:37 UTCEPSS rescore
- 2026-05-20 22:37 UTCEPSS rescore
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- 2026-05-20 11:21 UTCEPSS rescore
- 2026-05-20 11:21 UTCEPSS rescore
- 2026-05-18 21:30 UTCEPSS rescore
Publicly available exploits
(1 reference)Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
- Exploit-DBEDB-41792✓ verifiedFirst seen Apr 4, 2017
Apple macOS/iOS Kernel 10.12.3 (16D32) - SIOCSIFORDER Socket ioctl Memory Corruption Due to Bad Bounds Checking
Open source ↗
Frequently asked(5)
What is CVE-2017-2473?
When was CVE-2017-2473 disclosed?
Is CVE-2017-2473 actively exploited?
What is the CVSS score of CVE-2017-2473?
How do I remediate CVE-2017-2473?
Dependency Blast Radius
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