Vulnerability · CVE-2026-28861
A logic issue was addressed with improved state management.
Published Mar 25, 2026 · catalog updated Jul 15, 2026 · A logic issue was
Check if you run it
No confirmed exploitation is on record for CVE-2026-28861. EPSS is 0.20%. Act only if a listed version of A logic issue was is installed.
Gaps on this record
- The stored product name is a package slug. The name on this page is taken from the title (A logic issue was).
- No version range is stored. A customer cannot check an installed version against this record.
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- Medium4.3
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.20%
- Remediation
- Advisory link
- Affected products
- cpe apple/ipados · cpe apple/iphone os · cpe apple/macos · cpe apple/safari · cpe apple/visionos
A logic issue was addressed with improved state management. This issue is fixed in Safari 26.4, iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, visionOS 26.4. A malicious website may be able to access script message handlers intended for other origins.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- cpe apple/ipadosversion unspecified
- cpe apple/iphone osversion unspecified
- cpe apple/macosversion unspecified
- cpe apple/safariversion unspecified
- cpe apple/visionosversion unspecified
How to fix CVE-2026-28861
Recommended remediation
A patch or advisory reference is linked. Open the original publisher for availability by product version.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2026-28861. EPSS is 0.20%. Act only if a listed version of A logic issue was is installed.
Which versions are affected?
Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
CWE-346; CWE-79: Cross-site Scripting (XSS). EPSS 0.20%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Mar 25, 2026 · NIST NVD
Detected
A logic issue was addressed with improved state management. This issue is fixed in Safari 26.4, iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, visionOS 26.4. A malicious website may be able to access script message handlers intended for other origins.
Jul 15, 2026 · NIST NVD
Updated
A logic issue was addressed with improved state management. This issue is fixed in Safari 26.4, iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, visionOS 26.4. A malicious website may be able to access script message handlers intended for other origins.
Sources
- CVE.orgVulnerability recordCVE-2026-28861
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2026-28861
30-day exploitation probability 0.2%
first.org - NIST NVDVulnerability recordCVE-2026-28861
A logic issue was addressed with improved state management. This issue is fixed in Safari 26.4, iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, visionOS 26.4. A malicious website may be able to access script message handlers intended for other origins.
nvd.nist.gov
References
Freshness
Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.