CVE-2023-27934

HIGHNVD 8.88.8—

8.8

A memory initialization issue was addressed. This issue is fixed in macOS Ventura 13.3, macOS Monterey 12.6.4. A remote attacker may be able to cause unexpected app termination or arbitrary code execution.

CVSS v3: 8.8
EG Score: 8.8(medium)
EPSS: 87.0%
KEV: Not listed

Published

May 8, 2023

Last Modified

November 4, 2025

References (5)

product-security@applehttps://support.apple.com/en-us/HT213670
product-security@applehttps://support.apple.com/en-us/HT213677
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/en-us/HT213670
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/en-us/HT213677
af854a3a-2127-422b-91ae-364da2661108https://www.talosintelligence.com/vulnerability_reports/TALOS-2022-1677

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 12× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
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2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-25 01:46 UTCEG score recompute

Frequently asked(5)

What is CVE-2023-27934?

CVE-2023-27934 is a high vulnerability published on May 8, 2023. A memory initialization issue was addressed. This issue is fixed in macOS Ventura 13.3, macOS Monterey 12.6.4. A remote attacker may be able to cause unexpected app termination or arbitrary code execution.

When was CVE-2023-27934 disclosed?

CVE-2023-27934 was first published in the National Vulnerability Database on May 8, 2023, with the most recent update on November 4, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-27934 actively exploited?

CVE-2023-27934 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 87.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-27934?

CVE-2023-27934 has a CVSS v3 base score of 8.8 (NVD).

How do I remediate CVE-2023-27934?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-27934, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2023-27934

📅 Published

🔄 Last Modified

🔗 References (5)

Weakness Classification(2)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-27934?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (5)

Frequently asked(5)

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