CVE-2026-13940

MEDIUMPre-NVD 6.56.5—
EchelonGraph scoreMEDIUM confidence

Score 6.5 from GitHub Security Advisory published 2026-07-01. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 6.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 4 sources updated this week
6.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.5Exploit: None knownExposed: 0

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

Uninitialized Use in Cast in Google Chrome prior to 150.0.7871.47 allowed an attacker on the local network segment to obtain potentially sensitive information from process memory via malicious network traffic. (Chromium security severity: Medium)

CVSS v3
6.5
Vendor severity
MEDIUMper Google (Chromium)Vendor's own band, not a CVSS rating — advisory text: (Chromium security severity: Medium)
EG Score
6.5(medium)
EG Risk
34(Track)
EG Risk 34/100SSVC: 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
Severity65% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
6%
KEV
Not listed

Published

June 30, 2026

Last Modified

July 2, 2026

Advisory Details (2)

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

Chromium

https://issues.chromium.org/issues/513158425
generic

Chrome Releases: Stable Channel Update for Desktop

https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0175352312.html

Vendor Advisories for CVE-2026-13940(2)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Affected Packages

(4 across 4 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
chromium100.0.4896.127-1 ... 99.0.4844.84-1~deb11u1 (500 versions)——
Debian:12(1)
PackageVulnerable rangeFixed inDependents
chromium113.0.5672.126-1 ... 149.0.7827.53-1~deb13u1 (378 versions)150.0.7871.46-1~deb12u1—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
chromium138.0.7204.183-1 ... 150.0.7871.46-1~deb12u1 (144 versions)150.0.7871.46-1~deb13u1—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
chromium138.0.7204.183-1 ... 150.0.7871.46-1~deb13u1 (145 versions)150.0.7871.46-1—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 18× in last 7d / 100× 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 160 total refreshes for this CVE.

  1. 2026-08-25 13:48 UTCEPSS rescore
  2. 2026-08-24 11:13 UTCVendor advisory
  3. 2026-08-24 11:13 UTCGHSA enrichment
  4. 2026-08-23 08:56 UTCEG score recompute
  5. 2026-08-23 08:56 UTCVendor advisory
  6. 2026-08-23 08:56 UTCGHSA enrichment
  7. 2026-08-23 00:19 UTCEPSS rescore
  8. 2026-08-22 07:55 UTCEG score recompute
  9. 2026-08-22 07:55 UTCVendor advisory
  10. 2026-08-22 07:55 UTCGHSA enrichment
  11. 2026-08-21 23:48 UTCEPSS rescore
  12. 2026-08-21 06:06 UTCEG score recompute
  13. 2026-08-21 06:06 UTCVendor advisory
  14. 2026-08-21 06:06 UTCGHSA enrichment
  15. 2026-08-20 22:55 UTCEPSS rescore
  16. 2026-08-20 05:05 UTCEG score recompute
  17. 2026-08-20 05:05 UTCGHSA enrichment
  18. 2026-08-19 17:03 UTCEPSS rescore
  19. 2026-08-19 01:02 UTCEG score recompute
  20. 2026-08-19 01:01 UTCVendor advisory
  21. 2026-08-19 01:01 UTCGHSA enrichment
  22. 2026-08-18 13:48 UTCEPSS rescore
  23. 2026-08-17 23:53 UTCEG score recompute
  24. 2026-08-17 23:53 UTCVendor advisory
  25. 2026-08-17 23:53 UTCGHSA enrichment
Show 75 more
  1. 2026-08-16 19:54 UTCEG score recompute
  2. 2026-08-16 19:54 UTCVendor advisory
  3. 2026-08-16 19:54 UTCGHSA enrichment
  4. 2026-08-16 14:56 UTCEPSS rescore
  5. 2026-08-16 02:14 UTCEPSS rescore
  6. 2026-08-15 18:29 UTCEG score recompute
  7. 2026-08-15 18:29 UTCVendor advisory
  8. 2026-08-15 18:29 UTCGHSA enrichment
  9. 2026-08-15 01:30 UTCEPSS rescore
  10. 2026-08-14 17:27 UTCEG score recompute
  11. 2026-08-14 17:27 UTCVendor advisory
  12. 2026-08-14 17:27 UTCGHSA enrichment
  13. 2026-08-13 22:00 UTCEPSS rescore
  14. 2026-08-13 16:10 UTCVendor advisory
  15. 2026-08-13 16:10 UTCGHSA enrichment
  16. 2026-08-12 15:03 UTCEG score recompute
  17. 2026-08-12 15:02 UTCGHSA enrichment
  18. 2026-08-12 13:50 UTCEPSS rescore
  19. 2026-08-11 14:01 UTCEG score recompute
  20. 2026-08-11 14:01 UTCVendor advisory
  21. 2026-08-11 14:01 UTCGHSA enrichment
  22. 2026-08-11 13:42 UTCEPSS rescore
  23. 2026-08-10 23:59 UTCEPSS rescore
  24. 2026-08-10 13:00 UTCEG score recompute
  25. 2026-08-10 13:00 UTCGHSA enrichment
  26. 2026-08-09 13:46 UTCEPSS rescore
  27. 2026-08-09 12:00 UTCEG score recompute
  28. 2026-08-09 12:00 UTCVendor advisory
  29. 2026-08-09 12:00 UTCGHSA enrichment
  30. 2026-08-08 16:37 UTCEPSS rescore
  31. 2026-08-08 10:59 UTCEG score recompute
  32. 2026-08-08 10:59 UTCVendor advisory
  33. 2026-08-08 10:59 UTCGHSA enrichment
  34. 2026-08-07 09:58 UTCEG score recompute
  35. 2026-08-07 09:58 UTCVendor advisory
  36. 2026-08-07 09:58 UTCGHSA enrichment
  37. 2026-08-06 13:46 UTCEPSS rescore
  38. 2026-08-06 08:57 UTCEG score recompute
  39. 2026-08-06 08:57 UTCVendor advisory
  40. 2026-08-06 08:57 UTCGHSA enrichment
  41. 2026-08-05 19:17 UTCEPSS rescore
  42. 2026-08-05 07:56 UTCEG score recompute
  43. 2026-08-05 07:56 UTCVendor advisory
  44. 2026-08-05 07:56 UTCGHSA enrichment
  45. 2026-08-04 15:09 UTCEPSS rescore
  46. 2026-08-04 10:38 UTCEPSS rescore
  47. 2026-08-04 03:19 UTCEG score recompute
  48. 2026-08-04 03:19 UTCVendor advisory
  49. 2026-08-04 03:19 UTCGHSA enrichment
  50. 2026-08-03 10:35 UTCEPSS rescore
  51. 2026-08-03 02:18 UTCEG score recompute
  52. 2026-08-03 02:18 UTCVendor advisory
  53. 2026-08-03 02:18 UTCGHSA enrichment
  54. 2026-08-02 02:26 UTCEPSS rescore
  55. 2026-08-02 01:17 UTCEG score recompute
  56. 2026-08-02 01:17 UTCVendor advisory
  57. 2026-08-02 01:17 UTCGHSA enrichment
  58. 2026-08-01 04:15 UTCEPSS rescore
  59. 2026-08-01 00:16 UTCEG score recompute
  60. 2026-08-01 00:16 UTCVendor advisory
  61. 2026-08-01 00:16 UTCGHSA enrichment
  62. 2026-07-30 23:15 UTCEG score recompute
  63. 2026-07-30 23:15 UTCGHSA enrichment
  64. 2026-07-30 16:27 UTCEPSS rescore
  65. 2026-07-30 01:30 UTCEPSS rescore
  66. 2026-07-29 22:14 UTCVendor advisory
  67. 2026-07-29 22:14 UTCGHSA enrichment
  68. 2026-07-28 18:21 UTCEG score recompute
  69. 2026-07-28 18:21 UTCVendor advisory
  70. 2026-07-28 18:21 UTCGHSA enrichment
  71. 2026-07-28 15:36 UTCEPSS rescore
  72. 2026-07-27 16:12 UTCEG score recompute
  73. 2026-07-27 16:12 UTCVendor advisory
  74. 2026-07-27 16:12 UTCGHSA enrichment
  75. 2026-07-27 14:13 UTCEPSS rescore

Frequently asked(5)

What is CVE-2026-13940?
CVE-2026-13940 is a medium vulnerability published on June 30, 2026. Uninitialized Use in Cast in Google Chrome prior to 150.0.7871.47 allowed an attacker on the local network segment to obtain potentially sensitive information from process memory via malicious network traffic. (Chromium security severity: Medium)
When was CVE-2026-13940 disclosed?
CVE-2026-13940 was first published in the National Vulnerability Database on June 30, 2026, with the most recent update on July 2, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-13940 actively exploited?
CVE-2026-13940 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 93.7% of all scored CVEs.
What is the CVSS score of CVE-2026-13940?
CVE-2026-13940 has a CVSS v3.1 base score of 6.5 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-13940?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-13940, 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.

Dependency Blast Radius

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