CVE-2020-26186

Q: How do I fix CVE-2020-26186?

Upgrade inspiron 5675 firmware to 1.4.1 or later.

Q: Is CVE-2020-26186 being actively exploited?

Not that we know of. CVE-2020-26186 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.36% is the estimated probability that it will be exploited in the next 30 days. That is higher than 29% of all scored CVEs.

Q: How severe is CVE-2020-26186?

CVE-2020-26186 has a CVSS v3 base score of 6.8, rated medium. 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-2020-26186 affect?

Published advisories record a fix for inspiron 5675 firmware (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

MEDIUM

6.8

CVSS v3

NVD

Description

Dell Inspiron 5675 BIOS versions prior to 1.4.1 contain a UEFI BIOS RuntimeServices overwrite vulnerability. A local attacker with access to system memory may exploit this vulnerability by overwriting the RuntimeServices structure to execute arbitrary code in System Management Mode (SMM).

CWE-642 CWE-668

How to fix

Remediation Available

inspiron 5675 firmwareNVD

Affected:< 1.4.1Fixed in:1.4.1CVE-2020-26186derived 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 VectorPhysical

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.36%probability of exploitation in 30 days

29thpercentile

Low risk: more likely to be exploited than 29% of all known CVEs.

References

Vendor Advisory1

dell.com

Related Vulnerabilities

Other CWE-642 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2026-29146	High	7.5	8.8%	-	Fix
CVE-2019-9496	High	7.5	4.5%	-	Fix
CVE-2018-15382	High	8.6	1.3%	-	-
CVE-2017-0928	Medium	6.1	1.0%	-	-
CVE-2020-27872	High	8.8	0.9%	-	Fix
CVE-2023-0575	High	7.2	0.8%	-	Fix

Common questions

How do I fix CVE-2020-26186?

Upgrade inspiron 5675 firmware to 1.4.1 or later.

Is CVE-2020-26186 being actively exploited?

Not that we know of. CVE-2020-26186 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.36% is the estimated probability that it will be exploited in the next 30 days. That is higher than 29% of all scored CVEs.

How severe is CVE-2020-26186?

CVE-2020-26186 has a CVSS v3 base score of 6.8, rated medium. 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-2020-26186 affect?

Published advisories record a fix for inspiron 5675 firmware (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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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 2024-11-21.