CVE-2026-84869

Q: How do I fix CVE-2026-84869?

Upgrade screenconnect to 26.6.5.9742 or later.

Q: Is CVE-2026-84869 being actively exploited?

Yes. CVE-2026-84869 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 2026-09-14. Treat it as a priority whatever its CVSS score says.

Q: How severe is CVE-2026-84869?

CVE-2026-84869 has a CVSS v3 base score of 9.9, rated critical. 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-2026-84869 affect?

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

CRITICALCISA KEV

9.9

CVSS v3

NVD

Description

A condition in the ScreenConnect client may allow files to be transferred and executed through an active remote session without authorization or Host confirmation in certain circumstances. ScreenConnect servers are not impacted.

CWE-269Improper Privilege Management CWE-862Missing Authorization

How to fix

Remediation Available

screenconnectNVD

Affected:< 26.6.5.9742Fixed in:26.6.5.9742CVE-2026-84869derived 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 ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeChanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.69%probability of exploitation in 30 days

51stpercentile

Moderate risk: more likely to be exploited than 51% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Remediation due: 2026-09-14

References

Vendor Advisory2

Third-Party Advisory2

Government Resource1

cisa.gov

Related Vulnerabilities

Other CWE-269 (Improper Privilege Management) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-12635	Critical	9.8	100%	-	Fix
CVE-2022-24637	Critical	9.8	99%	-	Fix
CVE-2017-5689	Critical	9.8	92%	KEV	Fix
CVE-2020-3243	Critical	9.8	88%	-	-
CVE-2024-21888	High	8.8	87%	-	-
CVE-2022-0441	Critical	9.8	85%	-	Fix

Common questions

How do I fix CVE-2026-84869?

Upgrade screenconnect to 26.6.5.9742 or later.

Is CVE-2026-84869 being actively exploited?

Yes. CVE-2026-84869 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 2026-09-14. Treat it as a priority whatever its CVSS score says.

How severe is CVE-2026-84869?

CVE-2026-84869 has a CVSS v3 base score of 9.9, rated critical. 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-2026-84869 affect?

Published advisories record a fix for screenconnect (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-2026-84869

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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 2026-09-12.