No exploitation reported

CVE-2023-26498

No exploitation reported by the sources we read.

Published2023-03-23
WeaknessCWE-787

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

An issue was discovered in Samsung Baseband Modem Chipset for Exynos Modem 5123, Exynos Modem 5300, Exynos 980, Exynos 1080, Exynos Auto T5126. Memory corruption can occur due to improper checking of the number of properties while parsing the chatroom attribute in the SDP (Session Description Protocol) module.

Timeline

dates in UTC

2023-03-2301:15CVE publishedNVD
2026-10-2319:23EPSS crossed 10 %FIRST EPSS

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2023-26498?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2023-26498?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Samsung exynos 1080 firmwareversion to verify

Branch	Affected	Fixed in	Source
—	all versions	no fix published	NVD

Samsung exynos 980 firmwareversion to verify

Branch	Affected	Fixed in	Source
—	all versions	no fix published	NVD

Samsung exynos auto t5123 firmwareversion to verify

Branch	Affected	Fixed in	Source
—	all versions	no fix published	NVD

2 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

semiconductor.samsung.comVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CISA-ADPSSVC decisionnone2025-02-25
OpenCVESSVC decisionnone—
CNACVSS 3.18.6read 2026-10-23
NVDCVSS 3.19.8read 2026-10-23
NVDweakness (CWE)CWE-787read 2026-10-23
FIRST EPSSEPSS score21.4 %read 2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2023-03-23
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2023-26498?

Is CVE-2023-26498 actively exploited?

Active exploitation of CVE-2023-26498 has not been confirmed. Its EPSS score was 21.4% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-26498?

CVE-2023-26498 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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