How severe is CVE-2023-36534?

CVE-2023-36534 has a CVSS 3.x base score of 9.3, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability high.

Is CVE-2023-36534 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-36534?

CVE-2023-36534 affects Zoom. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-36534?

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

When was CVE-2023-36534 published?

CVE-2023-36534 was published on 2023-08-08 and last updated on 2026-06-17.

CVE-2023-36534

CVE-2023-36534 is a critical-severity vulnerability in Zoom with a CVSS 3.x base score of 9.3. 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-22.

Key facts

Severity: Critical (CVSS 3.x base score 9.3)
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Zoom
Published: 2023-08-08
Last modified: 2026-06-17

Description

Path traversal in Zoom Desktop Client for Windows before 5.14.7 may allow an unauthenticated user to enable an escalation of privilege via network access.

Frequently asked questions

What is CVE-2023-36534?: Path traversal in Zoom Desktop Client for Windows before 5.14.7 may allow an unauthenticated user to enable an escalation of privilege via network access.
How severe is CVE-2023-36534?: CVE-2023-36534 has a CVSS 3.x base score of 9.3, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability high.
Is CVE-2023-36534 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-36534?: CVE-2023-36534 affects Zoom. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-36534?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-36534 published?: CVE-2023-36534 was published on 2023-08-08 and last updated on 2026-06-17.

References

https://explore.zoom.us/en/trust/security/security-bulletin/

Affected products (1)

cpe:2.3:a:zoom:zoom:*:*:*:*:*:windows:*:*

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