Investigate in your agent.

Turn this advisory into a focused investigation. Ask your agent to check your project’s versions, explain the evidence, and suggest a compatible fix.

Your agent needs remote MCP support and access to https://cve.new/mcp.

Read the setup guide

Skip to content
cve.new Create a CVE report
Check your stack
CVE-2026-84577high8.2

An access issue was addressed with additional sandbox restrictions.

Impact

An access issue in macOS allows an app to bypass sandbox restrictions, fixed in macOS Golden Gate 27 and macOS Tahoe 26.7. The issue affects versions less than 26.7 and 27. An attacker may bypass sandbox restrictions.

Summarized by @cf/meta/llama-3.3-70b-instruct-fp8-fast. Verify details against the original sources.

Affected packages

This source has no supported package-version data for matching. You can read the advisory here, but this record alone cannot power a dependency check.

Affected products

Vendor version evidence. Product records are separate from automatic dependency matching.

Apple · apple

macOS

2 ranges
apple version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

0 → before 26.7

custom versions

0 → before 27

custom versions

unaffected

unknown

Other versions: unknown

Original source description

An access issue was addressed with additional sandbox restrictions. This issue is fixed in macOS Golden Gate 27, macOS Tahoe 26.7. An app may be able to bypass sandbox restrictions.

Inside the record

Evidence available

Package identity · not supplied
Version evidence
Remediation guidance · not supplied
Weakness classification
Additional publishers

Describes the evidence in this view, not whether the product is safe.

Original records

CVE-2026-84577

View the latest unmodified CVE JSON from the official source. It may be newer than this imported page.

cve.new JSON →

Underlying weaknesses

The source’s classification of what caused the vulnerability.

CWE-120 ↗

CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CISA-ADP

Related →
Contributing organizations · 2
apple

Assigning organization

2026-10-26
CISA-ADP

Additional data publisher

2026-09-16

What changed

Follow changes
No substantive changes have been recorded here yet. History starts when cve.new observes a change after tracking is enabled; earlier edits are not reconstructed.

Large field values are marked as truncated previews. Original source snapshots remain retained.

References

2 sources
support.apple.com/en-us/149035
Source referenceapple
support.apple.com/en-us/149042
Source referenceapple