How severe is CVE-2025-43263?

CVE-2025-43263 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2025-43263 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-43263?

CVE-2025-43263 affects Apple Xcode. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-43263?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-43263 have an EU (EUVD) identifier?

Yes. CVE-2025-43263 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-29335.

When was CVE-2025-43263 published?

CVE-2025-43263 was published on 2025-09-15 and last updated on 2026-06-17.

CVE-2025-43263

CVE-2025-43263 is a high-severity vulnerability in Apple Xcode with a CVSS 3.x base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-284.

Key facts

Severity: High (CVSS 3.x base score 7.1)
EPSS exploit prediction: 0% (10th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-29335
Weakness: CWE-284
Affected product: Apple Xcode
Published: 2025-09-15
Last modified: 2026-06-17

Description

The issue was addressed with improved checks. This issue is fixed in Xcode 26. An app may be able to read and write files outside of its sandbox.

Frequently asked questions

What is CVE-2025-43263?: The issue was addressed with improved checks. This issue is fixed in Xcode 26. An app may be able to read and write files outside of its sandbox.
How severe is CVE-2025-43263?: CVE-2025-43263 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2025-43263 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-43263?: CVE-2025-43263 affects Apple Xcode. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-43263?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-43263 have an EU (EUVD) identifier?: Yes. CVE-2025-43263 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-29335.
When was CVE-2025-43263 published?: CVE-2025-43263 was published on 2025-09-15 and last updated on 2026-06-17.

References

Affected products (1)

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

More vulnerabilities in Apple Xcode

CVE-2021-44228 — Critical (CVSS 10.0): Apache Log4j2 2.0-beta9 through 2.15.0 (excluding security releases 2.12.2, 2.12.3, and 2.3.1) JNDI features used in…
CVE-2014-9390 — Critical (CVSS 9.8): Git before 1.8.5.6, 1.9.x before 1.9.5, 2.0.x before 2.0.5, 2.1.x before 2.1.4, and 2.2.x before 2.2.1 on Windows and…
CVE-2019-14379 — Critical (CVSS 9.8): SubTypeValidator.java in FasterXML jackson-databind before 2.9.9.2 mishandles default typing when ehcache is used…
CVE-2018-4164 — Critical (CVSS 9.8): An issue was discovered in certain Apple products. Xcode before 9.3 is affected. The issue, which is unspecified,…
CVE-2016-0746 — Critical (CVSS 9.8): Use-after-free vulnerability in the resolver in nginx 0.6.18 through 1.8.0 and 1.9.x before 1.9.10 allows remote…
CVE-2004-2687 — Critical (CVSS 9.3): distcc 2.x, as used in XCode 1.5 and others, when not configured to restrict access to the server port, allows remote…

All CVEs affecting Apple Xcode →

Other CWE-284 (Improper Access Control) vulnerabilities

CVE-2026-50746 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Access Control vulnerability found in UniFi…
CVE-2026-46978 — Critical (CVSS 10.0): Vulnerability in the Oracle Solaris product of Oracle Systems (component: Remote Administration Daemon). The…
CVE-2026-35308 — Critical (CVSS 10.0): Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Centralized Third Party Jars).…
CVE-2026-35307 — Critical (CVSS 10.0): Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Core). Supported versions that…
CVE-2026-46695 — Critical (CVSS 10.0): Boxlite is a sandbox service that allows users to create lightweight virtual machines (Boxes) and launch OCI containers…
CVE-2026-46840 — Critical (CVSS 10.0): Vulnerability in Oracle REST Data Services (component: Backend-as-a-Service). Supported versions that are affected are…

Browse all CWE-284 (Improper Access Control) vulnerabilities →