VDB
CVE-2026-20657
CVE-2026-20657
PUBLISHED
CVSS 6.5 MEDIUM
The issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5. Parsing a maliciously crafted file may lead to an unexpected app termination.
EPSS 0.10% · 27.3th percentile
Risk Scores
CVSS 3.1
6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS Score
0.10%
27.3th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apple | iOS and iPadOS | 0 |
| apple | iphone_os | 0 |
| Apple | macOS | 0, 0 |
| apple | ipados | 0 |
| apple | macos | 15.0, 14.0 |
Exploit Intelligence
- CIRCL seen: CVE-2026-20657 (circl-sighting)
- CIRCL seen: CVE-2026-20657 (circl-sighting)
- CIRCL seen: CVE-2026-20657 (circl-sighting)
- CIRCL seen: CVE-2026-20657 (circl-sighting)
- https://support.apple.com/en-us/126793 (circl)
- https://support.apple.com/en-us/126795 (circl)
- https://support.apple.com/en-us/126796 (circl)
- macos_v2_generated.go (github-poc)
- macos_v1_generated.go (github-poc)
- macos_v2_generated.go (github-poc)
…and 13 more exploits
Timeline
- Mar 25, 2026 CVE Published
- Mar 25, 2026 EPSS Score
- Mar 25, 2026 Coalition ESS Score
- Mar 25, 2026 PoC Published
- Mar 25, 2026 PoC Published
- Mar 26, 2026 PoC Published
- Mar 26, 2026 PoC Published
- Mar 29, 2026 Security Advisory
- May 18, 2026 EPSS Score
- May 19, 2026 EPSS Score
- May 20, 2026 EPSS Score
- May 21, 2026 EPSS Score
References
- https://support.apple.com/en-us/126793 url
- https://support.apple.com/en-us/126795 url
- https://support.apple.com/en-us/126796 url
- https://support.apple.com/en-us/126794 advisory
- https://support.apple.com/en-us/126798 advisory
- https://support.apple.com/en-us/126800 advisory
- https://support.apple.com/en-us/126792 advisory
- https://support.apple.com/en-us/126799 advisory
- https://support.apple.com/en-us/126797 advisory
- https://support.apple.com/en-us/126801 advisory
- https://nvd.nist.gov/vuln/detail/CVE-2026-20657 advisory