How severe is CVE-2023-40435?

CVE-2023-40435 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-40435 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-40435?

CVE-2023-40435 affects Apple Xcode. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-40435?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-40435 published?

CVE-2023-40435 was published on 2023-09-27 and last updated on 2026-06-17.

CVE-2023-40435

CVE-2023-40435 is a medium-severity vulnerability in Apple Xcode with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (15th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Apple Xcode
Published: 2023-09-27
Last modified: 2026-06-17

Description

This issue was addressed by enabling hardened runtime. This issue is fixed in Xcode 15. An app may be able to access App Store credentials.

Frequently asked questions

What is CVE-2023-40435?: This issue was addressed by enabling hardened runtime. This issue is fixed in Xcode 15. An app may be able to access App Store credentials.
How severe is CVE-2023-40435?: CVE-2023-40435 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-40435 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-40435?: CVE-2023-40435 affects Apple Xcode. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-40435?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-40435 published?: CVE-2023-40435 was published on 2023-09-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:apple:xcode:*:*:*:*:*:*:*:*

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