CVE-2026-65329: An authentication issue was addressed with improved state management
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Routine
MEDIUM 5.9UPGRADEUPGRADE
CVE-2026-65329 is a medium-severity flaw (CVSS 5.9) affecting ipados, iphone os. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
An authentication issue was addressed with improved state management. This issue is fixed in iOS 26.6.1 and iPadOS 26.6.1, iOS 27 and iPadOS 27. An attacker in a privileged network position may be able to bypass IPSec authentication and intercept network traffic.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 5.9 (Medium) |
| Attack vector | Adjacent network |
| Attack complexity | High |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.2% (top 85%) |
| CISA exploited list | No |
| Weakness | CWE-287 |
| Published | 2026-08-17 |
| Last modified | 2026-10-23 |
Publisher (CNA): Apple Inc. · Vendor: apple
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
apple ipados UPGRADE
Affected: < 26.6.1
Fixed in: 26.6.1
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
apple iphone os UPGRADE
Affected: < 26.6.1
Fixed in: 26.6.1
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Related CVEs
- CVE-2026-64760 MEDIUM 5.5 UPGRADE UPGRADE An information leakage was addressed with additional validation
- CVE-2026-86950 HIGH 8.8 EXPLOITED UPGRADE UPGRADE Apple Multiple Products Out-of-Bounds Write Vulnerability