How severe is CVE-2025-27811?

CVE-2025-27811 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-27811 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-27811?

CVE-2025-27811 affects Razer Synapse 4. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-27811?

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-2025-27811 have an EU (EUVD) identifier?

Yes. CVE-2025-27811 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-16873.

When was CVE-2025-27811 published?

CVE-2025-27811 was published on 2025-06-04 and last updated on 2026-06-17.

CVE-2025-27811

CVE-2025-27811 is a high-severity vulnerability in Razer Synapse 4 with a CVSS 3.x base score of 7.8. 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-269.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (2nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-16873
Weakness: CWE-269
Affected product: Razer Synapse 4
Published: 2025-06-04
Last modified: 2026-06-17

Description

A local privilege escalation in the razer_elevation_service.exe in Razer Synapse 4 through 4.0.86.2502180127 allows a local attacker to escalate their privileges via a vulnerable COM interface in the target service.

Frequently asked questions

What is CVE-2025-27811?: A local privilege escalation in the razer_elevation_service.exe in Razer Synapse 4 through 4.0.86.2502180127 allows a local attacker to escalate their privileges via a vulnerable COM interface in the target service.
How severe is CVE-2025-27811?: CVE-2025-27811 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-27811 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-27811?: CVE-2025-27811 affects Razer Synapse 4. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-27811?: 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-2025-27811 have an EU (EUVD) identifier?: Yes. CVE-2025-27811 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-16873.
When was CVE-2025-27811 published?: CVE-2025-27811 was published on 2025-06-04 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:razer:synapse_4:*:*:*:*:*:*:*:*

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