CVE-2015-7047

watchOS < 2.1 - Local Privilege Escalation via Crafted Mach Message

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 5 public exploits for CVE-2015-7047. PoCs published by Google Security Research.

AI-analyzed exploit summary This exploit demonstrates a kernel use-after-free (UaF) vulnerability in macOS El Capitan 10.11 due to improper handling of spoofed no-more-senders notifications in the audit session port. The PoC sends a crafted Mach message to trigger the vulnerability.

Description

The kernel in Apple iOS before 9.2, OS X before 10.11.2, tvOS before 9.1, and watchOS before 2.1 allows local users to gain privileges via a crafted mach message that is misparsed.

Exploits (5)

exploitdb WORKING POC VERIFIED
by Google Security Research · cdososx
https://www.exploit-db.com/exploits/39373

This exploit demonstrates a kernel use-after-free (UaF) vulnerability in macOS El Capitan 10.11 due to improper handling of spoofed no-more-senders notifications in the audit session port. The PoC sends a crafted Mach message to trigger the vulnerability.

Classification
Working Poc 95%
Attack Type
Lpe
Complexity
Moderate
Reliability
Reliable
Target: macOS El Capitan 10.11 (15a284)
No auth needed
Prerequisites: Access to a vulnerable macOS system
devstral-2 · analyzed Feb 16, 2026 Full analysis →
exploitdb WORKING POC VERIFIED
by Google Security Research · cdososx
https://www.exploit-db.com/exploits/39374

This exploit demonstrates a kernel use-after-free (UaF) vulnerability in IOAccelMemoryInfoUserClient by spoofing 'no more senders' notifications. It triggers the vulnerability by sending crafted Mach messages to the IntelAccelerator service, leading to potential privilege escalation or denial of service.

Classification
Working Poc 95%
Attack Type
Lpe
Complexity
Moderate
Reliability
Racy
Target: Apple macOS El Capitan 10.11 (15a284) with IntelAccelerator service
No auth needed
Prerequisites: Access to a vulnerable macOS system with the IntelAccelerator service running
devstral-2 · analyzed Feb 16, 2026 Full analysis →
exploitdb WORKING POC VERIFIED
by Google Security Research · cdososx
https://www.exploit-db.com/exploits/39375

This exploit demonstrates a kernel use-after-free (UaF) vulnerability in IOAccelDisplayPipeUserClient2 by spoofing 'no more senders' notifications. It triggers the vulnerability by sending crafted Mach messages to the IntelAccelerator service, potentially leading to kernel crashes or arbitrary code execution.

Classification
Working Poc 95%
Attack Type
Lpe
Complexity
Moderate
Reliability
Racy
Target: Apple macOS El Capitan 10.11 (15a284)
No auth needed
Prerequisites: Access to a vulnerable macOS system · Compilation with clang and IOKit framework
devstral-2 · analyzed Feb 16, 2026 Full analysis →
exploitdb WORKING POC VERIFIED
by Google Security Research · cdososx
https://www.exploit-db.com/exploits/39371

This exploit triggers a race condition in OS X's IOBluetoothHCIController by sending spoofed no-more-senders notifications on two threads, leading to unsafe parallel OSArray manipulation and memory corruption.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Moderate
Reliability
Racy
Target: Apple OS X 10.11 El Capitan (15A284)
No auth needed
Prerequisites: Access to the target system · IOBluetoothHCIController service running
devstral-2 · analyzed Feb 16, 2026 Full analysis →
exploitdb WORKING POC VERIFIED
by Google Security Research · cdosmultiple
https://www.exploit-db.com/exploits/39377

This exploit demonstrates a use-after-free vulnerability in the mach voucher subsystem of OS X and iOS. It sends spoofed no-more-senders notifications to a voucher mach port, causing a race condition that leads to a kernel panic due to decrementing the reference count of a freed object.

Classification
Working Poc 95%
Attack Type
Lpe
Complexity
Moderate
Reliability
Racy
Target: OS X El Capitan 10.11 (15A284) and potentially iOS
No auth needed
Prerequisites: Kernel zone poisoning enabled with the '-zp' boot arg
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (14)

Core 14
Core References
Vendor Advisory x_refsource_confirm
https://support.apple.com/HT205637
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1034344
Vendor Advisory vendor-advisory x_refsource_apple
http://lists.apple.com/archives/security-announce/2015/Dec/msg00002.html
Exploit, Third Party Advisory exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/39371/
Exploit, Third Party Advisory exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/39373/
Vendor Advisory vendor-advisory x_refsource_apple
http://lists.apple.com/archives/security-announce/2015/Dec/msg00005.html
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/78719
Vendor Advisory vendor-advisory x_refsource_apple
http://lists.apple.com/archives/security-announce/2015/Dec/msg00000.html
Vendor Advisory x_refsource_confirm
https://support.apple.com/HT205641
Vendor Advisory x_refsource_confirm
https://support.apple.com/HT205640
Exploit, Third Party Advisory exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/39374/
Vendor Advisory vendor-advisory x_refsource_apple
http://lists.apple.com/archives/security-announce/2015/Dec/msg00001.html
Exploit, Third Party Advisory exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/39375/
Vendor Advisory x_refsource_confirm
https://support.apple.com/HT205635

Scores

EPSS 0.0075
EPSS Percentile 73.6%

Details

CWE
CWE-20
Status published
Products (4)
apple/iphone_os < 9.1
apple/mac_os_x < 10.11.1
apple/tvos < 9.0
apple/watchos < 2.0
Published Dec 11, 2015
Tracked Since Feb 18, 2026