An issue was discovered in certain Apple products. macOS before 10.12.5 is affected. The issue involves the "CoreAnimation" component. It allows remote attackers to execute arbitrary code or cause a denial of service (memory consumption and application crash) via crafted data.
CVE-2017-2527
Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-05-17. NVD baseline CVSS 9.8; 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
- 9.8
- EG Score
- 9.8(medium)
- EPSS
- 93.2%
- KEV
- Not listed
Published
May 22, 2017
Last Modified
May 13, 2026
Advisory Details (3)
Auto-updated Jun 21, 2026About the security content of macOS Sierra 10.12.5, Security Update 2017-002 El Capitan, and Security Update 2017-002 Yosemite - Apple Support
https://support.apple.com/HT207797Apple macOS/iOS - 'CAMediaTimingFunctionBuiltin' NSKeyedArchiver Memory Corruption Due to Lack of Bounds Checking - Multiple dos Exploit
https://www.exploit-db.com/exploits/42052/Data Freshness Timeline
(refreshed 11× in last 7d / 35× 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.
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- 2026-05-18 22:55 UTCEG score recompute
- 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-42052✓ verifiedFirst seen May 23, 2017
Apple macOS/iOS - 'CAMediaTimingFunctionBuiltin' NSKeyedArchiver Memory Corruption Due to Lack of Bounds Checking
Open source ↗
Frequently asked(5)
What is CVE-2017-2527?
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What is the CVSS score of CVE-2017-2527?
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Dependency Blast Radius
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