CVE-2023-28206KEV · OVERDUE

Apple iOS, iPadOS, and macOS IOSurfaceAccelerator Out-of-Bounds Write Vulnerability

High · published April 10, 2023

Patch now

Confirmed exploited, and the score agrees

CVSS calls it high at 8.6. It is confirmed in active exploitation. It sits in the 97.8th percentile for exploit probability.

1272
days past CISA
deadline
CVSS v3.1
8.6
EPSS
23%
Percentile
97.8
In the wild
Confirmed
What it is

⚡ A sneaky out-of-bounds write could let attackers run wild with kernel privileges! 🚨 Think of it like a restaurant where a waiter can serve from the kitchen's backdoor, bypassing the chef's orders entirely—nobody wants that chaos! This vulnerability allows an app to execute arbitrary code with full kernel privileges, which means an attacker could potentially take complete control of your device. That could lead to data theft, unauthorized access, or even complete system compromise, which is absolutely devastating!

Put simply

Think of it like a restaurant where a waiter can serve from the kitchen's backdoor, bypassing the chef's orders entirely—nobody wants that chaos! CVE-2023-28206 is an out-of-bounds write vulnerability due to insufficient input validation, which lets malicious code be executed at the kernel level, granting escalated privileges to an attacker.

What to do

This vulnerability allows an app to execute arbitrary code with full kernel privileges, which means an attacker could potentially take complete control of your device. That could lead to data theft, unauthorized access, or even complete system compromise, which is absolutely devastating! To protect your devices, update immediately to macOS Monterey 12.6.5, iOS 16.4.1, iPadOS 16.4.1, macOS Ventura 13.3.1, iOS 15.7.5, iPadOS 15.7.5, or macOS Big Sur 11.7.6. Keeping your software current is the best line of defense! You've got this! Stay vigilant and keep your devices secure! 🛡️

The record
Technical detail
CVSS v3.1
8.6 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.23215 · 97.8th percentile
Published
2023-04-10T00:00Z
KEV added
2023-04-10 · due 2023-05-01
EPSS history
Timeline
  • 10 APR 00:00Z
    Added to CISA KEV — remediate by May 1
    kev
  • 10 APR 00:00Z
    An out-of-bounds write issue was addressed with improved input validation
    cvelistv5