How severe is CVE-2026-20989?

CVE-2026-20989 has a CVSS 3.x base score of 2.4, rated low severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2026-20989 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-20989?

CVE-2026-20989 primarily affects Samsung Android. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-20989?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-20989 have an EU (EUVD) identifier?

Yes. CVE-2026-20989 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-12295.

When was CVE-2026-20989 published?

CVE-2026-20989 was published on 2026-03-16 and last updated on 2026-06-17.

CVE-2026-20989

CVE-2026-20989 is a low-severity vulnerability in Samsung Android with a CVSS 3.x base score of 2.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-347.

Key facts

Severity: Low (CVSS 3.x base score 2.4)
CVSS v4: 5.1
EPSS exploit prediction: 0% (2nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-12295
Weakness: CWE-347
Affected product: Samsung Android
Published: 2026-03-16
Last modified: 2026-06-17

Description

Improper verification of cryptographic signature in Font Settings prior to SMR Mar-2026 Release 1 allows physical attackers to use custom font.

Frequently asked questions

What is CVE-2026-20989?: Improper verification of cryptographic signature in Font Settings prior to SMR Mar-2026 Release 1 allows physical attackers to use custom font.
How severe is CVE-2026-20989?: CVE-2026-20989 has a CVSS 3.x base score of 2.4, rated low severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2026-20989 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-20989?: CVE-2026-20989 primarily affects Samsung Android. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-20989?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-20989 have an EU (EUVD) identifier?: Yes. CVE-2026-20989 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-12295.
When was CVE-2026-20989 published?: CVE-2026-20989 was published on 2026-03-16 and last updated on 2026-06-17.

References

https://security.samsungmobile.com/securityUpdate.smsb?year=2026&month=03

Affected products (8)

cpe:2.3:o:samsung:android:16.0:-:*:*:*:*:*:*
cpe:2.3:o:samsung:android:16.0:smr-aug-2025-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:16.0:smr-dec-2025-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:16.0:smr-feb-2026-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:16.0:smr-jan-2026-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:16.0:smr-nov-2025-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:16.0:smr-oct-2025-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:16.0:smr-sep-2025-r1:*:*:*:*:*:*

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