CVE-2025-40536

Q: How do I fix CVE-2025-40536?

Upgrade web help desk to 2026.1 or later.

Q: Is CVE-2025-40536 being actively exploited?

Yes. CVE-2025-40536 is listed in the CISA Known Exploited Vulnerabilities catalog, which means exploitation has been observed in the wild. US federal agencies were required to remediate it by 2026-02-15. Treat it as a priority whatever its CVSS score says.

Q: How severe is CVE-2025-40536?

CVE-2025-40536 has a CVSS v3 base score of 8.1, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

Q: What does CVE-2025-40536 affect?

Published advisories record a fix for web help desk (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

HIGHCISA KEVEPSS 99th pctl

8.1

CVSS v3

NVD

Description

SolarWinds Web Help Desk was found to be susceptible to a security control bypass vulnerability that if exploited, could allow an unauthenticated attacker to gain access to certain restricted functionality.

CWE-693Protection Mechanism Failure

How to fix

Remediation Available

web help deskNVD

Affected:< 2026.1Fixed in:2026.1CVE-2025-40536derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

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 ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

71.55%probability of exploitation in 30 days

99thpercentile

Very high risk: more likely to be exploited than 99% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Remediation due: 2026-02-15

References

Vendor Advisory1

solarwinds.com

Third-Party Advisory1

huntress.com

Government Resource1

cisa.gov

Release Notes1

documentation.solarwinds.com

Related Vulnerabilities

Other CWE-693 (Protection Mechanism Failure) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2013-2465	Critical	9.8	99%	KEV + Ransom	-
CVE-2024-21412	High	8.1	95%	KEV + Ransom	Fix
CVE-2013-0431	Medium	5.3	90%	KEV + Ransom	-
CVE-2019-1003030	Critical	9.9	76%	KEV	-
CVE-2025-0411	High	7.0	67%	KEV	Fix
CVE-2026-32202	High	4.3	64%	KEV	Fix

Common questions

How do I fix CVE-2025-40536?

Upgrade web help desk to 2026.1 or later.

Is CVE-2025-40536 being actively exploited?

Yes. CVE-2025-40536 is listed in the CISA Known Exploited Vulnerabilities catalog, which means exploitation has been observed in the wild. US federal agencies were required to remediate it by 2026-02-15. Treat it as a priority whatever its CVSS score says.

How severe is CVE-2025-40536?

CVE-2025-40536 has a CVSS v3 base score of 8.1, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2025-40536 affect?

Published advisories record a fix for web help desk (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

Embed a live status badge for CVE-2025-40536

Markdown

[![CVE-2025-40536](https://tridentstack.com/cve/badge/CVE-2025-40536.svg)](https://tridentstack.com/cve/CVE-2025-40536)

HTML

<a href="https://tridentstack.com/cve/CVE-2025-40536"><img src="https://tridentstack.com/cve/badge/CVE-2025-40536.svg" alt="CVE-2025-40536"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

See how it works Start freeThis CVE lookup is free and always will be.

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 2026-02-13.