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
6.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.2%CVSS: 6.5Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

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
6.5MEDIUMmedium confidence
EG Risk
34
EG Risk 34/100

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%
EPSS PROB
0.2%
EPSS %ILE
5th
KEV
Not listed

Published

June 30, 2026

Last Modified

July 2, 2026

Advisory Details (2)

Auto-updated Jul 1, 2026
Patch available.
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 rangeFix by version rangeDependents
chromium100.0.4896.127-1 ... 99.0.4844.84-1~deb11u1 (500 versions)
  • every version on: no fix on record
—
Debian:12(1)
PackageVulnerable rangeFix by version rangeDependents
chromium113.0.5672.126-1 ... 149.0.7827.53-1~deb13u1 (378 versions)
  • every version up to 150.0.7871.46-1~deb12u1: fixed in 150.0.7871.46-1~deb12u1
—
Debian:13(1)
PackageVulnerable rangeFix by version rangeDependents
chromium138.0.7204.183-1 ... 150.0.7871.46-1~deb12u1 (144 versions)
  • every version up to 150.0.7871.46-1~deb13u1: fixed in 150.0.7871.46-1~deb13u1
—
Debian:14(1)
PackageVulnerable rangeFix by version rangeDependents
chromium138.0.7204.183-1 ... 150.0.7871.46-1~deb13u1 (145 versions)
  • every version up to 150.0.7871.46-1: fixed in 150.0.7871.46-1
—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 7× in last 7d / 33× 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 214 total refreshes for this CVE.

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

Related CVEs(same CWE)

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 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 0.2% probability of exploitation in the next 30 days (5th percentile of EPSS-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?
A fix for CVE-2026-13940 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-13940 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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