HOMEVULNERABILITIESCVE-2026-28860
HIGH

CVE-2026-28860

Published: May 11, 2026· Updated: May 12, 2026

7.5
CVSS v3.1
EPSS:0.02%probability of exploitation in 30 daysPercentile:7.0th

Official Description

The issue was addressed with improved input validation. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. A local attacker may be able to modify the state of the Keychain.

NVD Source

Technical Analysis

CVE-2026-28860 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected Vendors & Products

Apple6 products
ipadosiphone osmacostvosvisionoswatchos
Source: NVD CPE · 6 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://support.apple.com/en-us/126792
ADVISORYhttps://support.apple.com/en-us/126793
ADVISORYhttps://support.apple.com/en-us/126794
ADVISORYhttps://support.apple.com/en-us/126795
ADVISORYhttps://support.apple.com/en-us/126796
ADVISORYhttps://support.apple.com/en-us/126797
ADVISORYhttps://support.apple.com/en-us/126798
ADVISORYhttps://support.apple.com/en-us/126799

All References (8)

→
https://support.apple.com/en-us/126792Release Notes · Vendor Advisory
→
https://support.apple.com/en-us/126793Release Notes · Vendor Advisory
→
https://support.apple.com/en-us/126794Release Notes · Vendor Advisory
→
https://support.apple.com/en-us/126795Release Notes · Vendor Advisory
→
https://support.apple.com/en-us/126796Release Notes · Vendor Advisory
→
https://support.apple.com/en-us/126797Release Notes · Vendor Advisory
→
https://support.apple.com/en-us/126798Release Notes · Vendor Advisory
→
https://support.apple.com/en-us/126799Release Notes · Vendor Advisory

Quick Facts

CVE IDCVE-2026-28860
CVSS Score7.5 / 10
SeverityHIGH
CISA KEVNo
EPSS (30d)0.02%
Affected1 vendor
PublishedMay 11, 2026

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2026-28860 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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