CVE-2026-68990: In the Samsung Exynos H-Arx DRM plugin, improper input validation during buffer operations can cause memory co

Q: How do I fix CVE-2026-68990?

exynos 1480: mitigate or apply the listed mitigation; exynos 2400: mitigate or apply the listed mitigation; exynos 1580: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Q: Is CVE-2026-68990 being exploited?

CVE-2026-68990 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-68990 affect?

CVE-2026-68990 affects exynos 1480, exynos 2400, exynos 1580. Severity is high (CVSS n/a). In the Samsung Exynos H-Arx DRM plugin, improper input validation during buffer operations can cause memory corruption, potentially leading to denial of service or privilege escalation.

Q: How urgent is CVE-2026-68990?

Priority 0/100. No elevated risk signals yet.

Routine

HIGH n/aMITIGATEMITIGATEMITIGATE

CVE-2026-68990 is a high-severity flaw (CVSS n/a) affecting exynos 1480, exynos 2400, exynos 1580. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

In the Samsung Exynos H-Arx DRM plugin, improper input validation during buffer operations can cause memory corruption, potentially leading to denial of service or privilege escalation.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	n/a (High)
EPSS exploit chance	n/a
CISA exploited list	No
Weakness	CWE-681
Published	2026-11-05
Last modified	2026-11-05

Publisher (CNA): samsungsemiconductor · Vendor: samsung semiconductor · Source: CVE Program record (NVD analysis pending)

Last updated 2026-11-05 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-11-05 02:40 UTCPublished CVE record published
2026-11-05 02:40 UTCUpdated Record last modified

samsung semiconductor exynos 1480 MITIGATE

Affected: < November 2026

Fixed in: November 2026

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy exynos-1480 || rpm -q exynos-1480 || exynos-1480 --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

samsung semiconductor exynos 2400 MITIGATE

Affected: < November 2026

Fixed in: November 2026

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy exynos-2400 || rpm -q exynos-2400 || exynos-2400 --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

samsung semiconductor exynos 1580 MITIGATE

Affected: < November 2026

Fixed in: November 2026

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy exynos-1580 || rpm -q exynos-1580 || exynos-1580 --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

samsung semiconductor exynos 2500 MITIGATE

Affected: < November 2026

Fixed in: November 2026

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy exynos-2500 || rpm -q exynos-2500 || exynos-2500 --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

samsung semiconductor exynos 2600 MITIGATE

Affected: < November 2026

Fixed in: November 2026

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy exynos-2600 || rpm -q exynos-2600 || exynos-2600 --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

samsung semiconductor exynos 1680 MITIGATE

Affected: < November 2026

Fixed in: November 2026

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy exynos-1680 || rpm -q exynos-1680 || exynos-1680 --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

Advisories and coverage

Research and news

VulDB Recent Entries: CVE-2026-68990 | Samsung Semiconductor Exynos 2600 H-Arx DRM plugin input validation 2026-11-05

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-68990?

exynos 1480: mitigate or apply the listed mitigation; exynos 2400: mitigate or apply the listed mitigation; exynos 1580: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-68990 being exploited?

CVE-2026-68990 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-68990 affect?

CVE-2026-68990 affects exynos 1480, exynos 2400, exynos 1580. Severity is high (CVSS n/a). In the Samsung Exynos H-Arx DRM plugin, improper input validation during buffer operations can cause memory corruption, potentially leading to denial of service or privilege escalation.

How urgent is CVE-2026-68990?

Priority 0/100. No elevated risk signals yet.

Software pages

Samsung vulnerabilities

Related CVEs

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CVE-2026-68993 HIGH n/a MITIGATE MITIGATE A double free vulnerability in NPU driver due to improper pointer management (940)
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References

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