CVE-2017-13847Disclosure(apple / iphone_os)

LOWCVSS 7.8 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

Patch apple iphone_os systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

An issue was discovered in certain Apple products. iOS before 11.2 is affected. macOS before 10.13.2 is affected. The issue involves the "IOKit" component. It allows attackers to execute arbitrary code in a privileged context or cause a denial of service (memory corruption) via a crafted app.

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0.5/ 10 priority

Sources & remediation

Vendor / third-party advisories

Weakness type (CWE)

CWE-119

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

iphone_os
mac_os_x

Threat summary

Patch or workaround signal is available
2 mentions across 2 observed days
Momentum state: stable

What's happening

Patch or workaround mentioned in 1 signal
Technical details provided in 1 signal
Disclosure: 1 classified signal
Peaked 1d ago at 1 mentions (2026-05-12); latest day: 1
2 total mentions across 2 days

Affected systems

Vendors

apple

Products

iphone_osmac_os_x

Deep dive

Activity timeline2 mentions / 2d

Signal classification2 categories

Disclosure

150.0%

Patch

150.0%

Referenced assets2 URLs

By indicator

Classification over time

Date	Total	Labels

2026-05-12	1	Disclosure1
2026-05-20	1	Patch1

Full discourse2 posts

GanaSec@ganaseclabs141d
Patch
The same bug class Google Project Zero's Ian Beer reported in 2017 as CVE-2017-13847. Apple patched it then. The fix regressed. Nine years later, the ghost came back. Read here : https://ganasec.com/blog/the-2017-ghost-in-the-time-machine-hunting-iotimesyncfamily Patched across iOS, iPadOS, macOS, tvOS, visionOS, and watchOS. #GanaSec
Post summary
The post highlights that a CVE-2017-13847‑type bug reappeared in Apple products after a patch regression, noting that the issue is now patched across iOS, iPadOS, macOS, tvOS, visionOS, and watchOS.
08126176.2K
37 followersView on X
Bountyy Oy@BountyyOy149d
Disclosure
First blog is up. The 2017 Ghost. CVE-2026-28969. Kernel UAF in IOTimeSyncClockManagerUserClient. Same root cause as CVE-2017-13847. Patch got lost in a refactor and the bug came back. Eight years later. http://bountyy.fi/blog/the-2017-ghost #cve #apple #bugbounty
Post summary
A blog post announces the resurfacing of Apple’s 2017 Ghost kernel UAF (CVE-2026-28969), noting that a previously applied patch was lost during a refactor.
0000054
3 followersView on X

CPE platform detail2 entries

Part:

Vendor:

Product:

Version:

Target SW:

Target HW:

2 of 2 entries

Part	Vendor	Product	Version	Target SW	Target HW
OS	apple	iphone_os	-	-	-
OS	apple	mac_os_x	-	-	-

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