Is CVE-2023-27958 in the CISA KEV catalog?

No. CVE-2023-27958 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-27958?

CVE-2023-27958 has a CVSS v3 base score of 9.1 (CRITICAL).

What is the EPSS score for CVE-2023-27958?

CVE-2023-27958 has an EPSS score of 1.62% (73th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-27958?

Upgrade macos to 13.3 or later.

CVE & CISA-KEV Catalog

CVE-2023-27958

CRITICALEPSS 73th pctl

9.1

CVSS v3

NVD

Description

The issue was addressed with improved memory handling. This issue is fixed in macOS Ventura 13.3, macOS Monterey 12.6.4, macOS Big Sur 11.7.5. A remote user may be able to cause unexpected system termination or corrupt kernel memory.

CWE-770Allocation of Resources Without Limits or Throttling

How to fix

Remediation Available

macosNVD

Affected:>= 13.0, < 13.3Fixed in:13.3CVE-2023-27958derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Exploit Intelligence

1.62%probability of exploitation in 30 days

73rdpercentile

Elevated risk: more likely to be exploited than 73% of all known CVEs.

References

Vendor Advisory3

Other references1

talosintelligence.com

Related Vulnerabilities

Other CWE-770 (Allocation of Resources Without Limits or Throttling) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-50387	High	7.5	100%	-	Fix
CVE-2019-11478	Medium	5.3	95%	-	Fix
CVE-2019-11479	High	7.5	92%	-	Fix
CVE-2024-27316	High	7.5	91%	-	Fix
CVE-2022-30522	High	7.5	90%	-	Fix
CVE-2019-9515	High	7.5	88%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-11-04.