CVE-2023-28206

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

As of , CVE-2023-28206 in Apple iOS, iPadOS, and macOS is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch soon.

Exploited
Yes: CISA listed it on 10 April 2023
US federal deadline
1 May 202321 days after CISA listed it. US federal civilian agencies must fix it by then.
Used in ransomware campaigns
Not known to CISA
EPSS score
0.23Higher than 97% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
EPSS when listed
No score that dayThe EPSS file of the day CISA listed it has no score for it.
Public exploit
None foundNeither Metasploit nor Exploit-DB lists one.
Fix
Vendor advice: support.apple.comLinks below, from CISA's entry.

What CISA says to do

Apply updates per vendor instructions.

CISA's required action

What the flaw is

Apple iOS, iPadOS, and macOS IOSurfaceAccelerator contain an out-of-bounds write vulnerability that allows an app to execute code with kernel privileges.

CISA's description

An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in macOS Monterey 12.6.5, iOS 16.4.1 and iPadOS 16.4.1, macOS Ventura 13.3.1, iOS 15.7.5 and iPadOS 15.7.5, macOS Big Sur 11.7.6. An app may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited.

The CVE record's description, from apple

CVE published
10 April 2023
Assigned by
apple
CVSS
8.6 High (CVSS 3.1, from CISA-ADP)
CWE-787
Out-of-bounds Write
CISA SSVC, exploitation
active
CISA SSVC, automatable
no
CISA SSVC, technical impact
total

Timeline

  1. The CVE record was published.
  2. CISA added it to its list of exploited vulnerabilities.
  3. The US federal deadline to fix it.

iOS, iPadOS, and macOS: other exploited entries

VulnerabilityProductOur groupListedDeadlineEPSS
CVE-2020-9934Input ValidationApple iOS, iPadOS, and macOSPatch this weekMetasploit module0.03
CVE-2023-41064ImageIO Buffer OverflowApple iOS, iPadOS, and macOSPatch this weekEPSS 0.530.53
CVE-2025-43300Out-of-Bounds WriteApple iOS, iPadOS, and macOSPatch soon0.32
CVE-2022-22620Webkit Use-After-FreeApple iOS, iPadOS, and macOSPatch soon0.16
CVE-2021-30858iOS, iPadOS, macOS Use-After-FreeApple iOS, iPadOS, and macOSPatch soon0.13
CVE-2021-1870WebKit Remote Code ExecutionApple iOS, iPadOS, and macOSPatch soon0.08
CVE-2021-1871WebKit Remote Code ExecutionApple iOS, iPadOS, and macOSPatch soon0.07
CVE-2021-30900Out-of-Bounds WriteApple iOS, iPadOS, and macOSPatch soon0.05
CVE-2022-32917Remote Code ExecutionApple iOS, iPadOS, and macOSPatch soon0.06
CVE-2021-30869Type ConfusionApple iOS, iPadOS, and macOSPatch soon0.04

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