CVE-2023-26498

CRITICALNVD 8.69.8▲
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2023-03-23. NVD baseline CVSS 8.6; sources differ by 1.2.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 23%CVSS: 8.6Exploit: Elevated riskExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
8.6
EG Score
9.8(medium)
EG Risk
75(Track)
EG Risk 75/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
23%
EPSS %ILE
98%
KEV
Not listed

Published

March 23, 2023

Last Modified

November 21, 2024

Advisory Details (3)

Auto-updated Sep 1, 2026
No patch confirmed yet.
generic

Product Security Update | Support | Samsung Semiconductor Global

https://semiconductor.samsung.com/support/quality-support/product-security-updates/
generic

Exynos Modem | Processor | Samsung Semiconductor Global

https://semiconductor.samsung.com/processor/modem/
generic

Exynos Mobile Processor | Samsung Semiconductor Global

https://semiconductor.samsung.com/processor/mobile-processor/

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 7× in last 7d / 27× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 146 total refreshes for this CVE.

  1. 2026-09-08 21:57 UTCEPSS rescore
  2. 2026-09-07 15:59 UTCEPSS rescore
  3. 2026-09-06 13:45 UTCEPSS rescore
  4. 2026-09-05 15:25 UTCEPSS rescore
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  9. 2026-08-30 19:15 UTCEPSS rescore
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  24. 2026-08-15 01:28 UTCEPSS rescore
  25. 2026-08-13 21:58 UTCEPSS rescore
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  1. 2026-08-12 13:48 UTCEPSS rescore
  2. 2026-08-11 13:39 UTCEPSS rescore
  3. 2026-08-09 13:44 UTCEPSS rescore
  4. 2026-08-08 16:34 UTCEPSS rescore
  5. 2026-08-07 16:24 UTCEPSS rescore
  6. 2026-08-06 13:44 UTCEPSS rescore
  7. 2026-08-05 19:15 UTCEPSS rescore
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  9. 2026-08-04 15:07 UTCEPSS rescore
  10. 2026-08-04 10:35 UTCEPSS rescore
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  20. 2026-07-28 15:34 UTCEPSS rescore
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  22. 2026-07-27 14:10 UTCEPSS rescore
  23. 2026-07-26 14:52 UTCEPSS rescore
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  25. 2026-07-25 14:16 UTCEPSS rescore
  26. 2026-07-24 14:15 UTCEPSS rescore
  27. 2026-07-23 14:16 UTCEPSS rescore
  28. 2026-07-23 14:16 UTCEPSS rescore
  29. 2026-07-23 02:20 UTCEG score recompute
  30. 2026-07-22 23:08 UTCEG score recompute
  31. 2026-07-22 14:06 UTCEPSS rescore
  32. 2026-07-22 14:06 UTCEPSS rescore
  33. 2026-07-21 15:23 UTCEPSS rescore
  34. 2026-07-20 17:06 UTCEPSS rescore
  35. 2026-07-19 02:27 UTCEPSS rescore
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  37. 2026-07-18 10:03 UTCEPSS rescore
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  39. 2026-07-16 17:01 UTCEPSS rescore
  40. 2026-07-16 17:01 UTCEPSS rescore
  41. 2026-07-15 16:56 UTCEPSS rescore
  42. 2026-07-15 16:56 UTCEPSS rescore
  43. 2026-07-15 01:58 UTCEPSS rescore
  44. 2026-07-15 01:58 UTCEPSS rescore
  45. 2026-07-13 22:28 UTCEPSS rescore
  46. 2026-07-13 22:28 UTCEPSS rescore
  47. 2026-07-13 06:11 UTCEPSS rescore
  48. 2026-07-13 06:11 UTCEPSS rescore
  49. 2026-07-12 05:45 UTCEPSS rescore
  50. 2026-07-11 08:25 UTCEPSS rescore
  51. 2026-07-11 08:25 UTCEPSS rescore
  52. 2026-07-09 19:08 UTCEPSS rescore
  53. 2026-07-09 19:08 UTCEPSS rescore
  54. 2026-07-08 15:13 UTCEPSS rescore
  55. 2026-07-07 13:44 UTCEPSS rescore
  56. 2026-07-06 16:26 UTCEPSS rescore
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  58. 2026-07-05 02:28 UTCEPSS rescore
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  60. 2026-07-01 15:04 UTCEPSS rescore
  61. 2026-06-30 23:21 UTCEPSS rescore
  62. 2026-06-30 23:21 UTCEPSS rescore
  63. 2026-06-28 04:54 UTCEPSS rescore
  64. 2026-06-27 03:07 UTCEPSS rescore
  65. 2026-06-25 13:48 UTCEPSS rescore
  66. 2026-06-25 13:48 UTCEPSS rescore
  67. 2026-06-24 14:03 UTCEPSS rescore
  68. 2026-06-24 14:03 UTCEPSS rescore
  69. 2026-06-23 21:31 UTCEPSS rescore
  70. 2026-06-23 21:31 UTCEPSS rescore
  71. 2026-06-22 14:24 UTCEPSS rescore
  72. 2026-06-22 14:24 UTCEPSS rescore
  73. 2026-06-21 01:58 UTCEPSS rescore
  74. 2026-06-21 01:58 UTCEPSS rescore
  75. 2026-06-19 19:24 UTCEPSS rescore

Frequently asked(5)

What is CVE-2023-26498?
CVE-2023-26498 is a critical vulnerability published on March 23, 2023. 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…
When was CVE-2023-26498 disclosed?
CVE-2023-26498 was first published in the National Vulnerability Database on March 23, 2023, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-26498 actively exploited?
CVE-2023-26498 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 23% probability of exploitation in the next 30 days, which ranks it in the top 2.4% of all scored CVEs.
What is the CVSS score of CVE-2023-26498?
CVE-2023-26498 has a CVSS v3 base score of 8.6 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.8.
How do I remediate CVE-2023-26498?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-26498, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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