CVE-2026-68991: In the Samsung Exynos ENN NeuralNetworks HAL, improper input validation during request processing can cause me

Q: How do I fix CVE-2026-68991?

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

Q: Is CVE-2026-68991 being exploited?

CVE-2026-68991 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-2026-68991 affect?

CVE-2026-68991 affects exynos 1480, exynos 2400. Severity is high (CVSS n/a). In the Samsung Exynos ENN NeuralNetworks HAL, improper input validation during request processing can cause memory corruption and lead to a denial of service condition.

Q: How urgent is CVE-2026-68991?

Priority 0/100. No elevated risk signals yet.

Routine

HIGH n/aMITIGATEMITIGATE

CVE-2026-68991 is a high-severity flaw (CVSS n/a) affecting exynos 1480, exynos 2400. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

In the Samsung Exynos ENN NeuralNetworks HAL, improper input validation during request processing can cause memory corruption and lead to a denial of service condition.

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-787
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.

Advisories and coverage

Research and news

VulDB Recent Entries: CVE-2026-68991 | Samsung Semiconductor Exynos ENN NeuralNetworks HAL 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-2026-68991?

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

Is CVE-2026-68991 being exploited?

CVE-2026-68991 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-2026-68991 affect?

CVE-2026-68991 affects exynos 1480, exynos 2400. Severity is high (CVSS n/a). In the Samsung Exynos ENN NeuralNetworks HAL, improper input validation during request processing can cause memory corruption and lead to a denial of service condition.

How urgent is CVE-2026-68991?

Priority 0/100. No elevated risk signals yet.

Software pages

Samsung vulnerabilities

Related CVEs

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CVE-2026-48186 HIGH n/a MITIGATE MITIGATE Improper handling of messages before AS security activation can cause unexpected behavior
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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