CVE-2024-27820

HIGH
MEDIUM Priority: 0.09 BB Relevance: 68/100
Published: 2024-06-10 Modified: 2026-11-04 First seen: 2026-11-03 Status: active

Attack Surface

Network Low Complexity No Auth Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: Required
S: Unchanged
C: High
I: High
A: High

Description

The issue was addressed with improved memory handling. This issue is fixed in Safari 17.5, iOS 16.7.8 and iPadOS 16.7.8, iOS 17.5 and iPadOS 17.5, macOS Sonoma 14.5, tvOS 17.5, visionOS 1.2, watchOS 10.5. Processing web content may lead to arbitrary code execution.

Weakness Classification (1)

Affected Software (21)

VendorProductVersion
Apple Safari 0 < 17.5
Apple Safari 0 < 17.5
Apple iOS and iPadOS 0 < 16.7.8
Apple iOS and iPadOS 0 < 17.5
Apple iOS and iPadOS 0 < 16.7.8
Apple iOS and iPadOS 0 < 17.5
Apple macOS 0 < 14.5
Apple macOS 0 < 14.5
Apple tvOS 0 < 17.5
Apple tvOS 0 < 17.5
Apple visionOS 0 < 1.2
Apple visionOS 0 < 1.2
Apple watchOS 0 < 10.5
Apple watchOS 0 < 10.5
apple ipados < 16.7.8
apple iphone_os < 16.7.8
apple macos 14.0 – 14.5
apple safari < 17.5
apple tvos < 17.5
apple visionos < 1.2
apple watchos < 10.5

Bug Bounty Relevance

68 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity

CVSS Score

8.8 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS — Exploitation Probability

1.02%
Raw Score 0.010160
Percentile 63.4%
Date 2026-11-06

EPSS Trend

2026-11-06
0.01016
2026-11-05
0.01016
2026-11-04
0.01016
2026-11-03
0.01016

Intelligence Sources

mitre ref →
nvd ref →