CVE-2026-13863

HIGHPre-NVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2026-07-01. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 4 sources updated this week
7.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.8Exploit: None knownExposed: 0

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

Insufficient validation of untrusted input in CustomTabs in Google Chrome on Android prior to 150.0.7871.47 allowed a local attacker to perform privilege escalation via a malicious file. (Chromium security severity: Medium)

CVSS v3
7.8
Vendor severity
MEDIUMper Google (Chromium)Vendor's own band, not a CVSS rating — advisory text: (Chromium security severity: Medium)
EG Score
7.8(medium)
EG Risk
40(Track)
EG Risk 40/100SSVC: 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
Severity78% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
3%
KEV
Not listed

Published

June 30, 2026

Last Modified

July 6, 2026

Advisory Details (2)

Auto-updated Jul 2, 2026
No patch confirmed yet.
generic

Chromium

https://issues.chromium.org/issues/496012495
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-2026-13863(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 19× in last 7d / 133× 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 225 total refreshes for this CVE.

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

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-13863?
CVE-2026-13863 is a high vulnerability published on June 30, 2026. Insufficient validation of untrusted input in CustomTabs in Google Chrome on Android prior to 150.0.7871.47 allowed a local attacker to perform privilege escalation via a malicious file. (Chromium security severity: Medium)
When was CVE-2026-13863 disclosed?
CVE-2026-13863 was first published in the National Vulnerability Database on June 30, 2026, with the most recent update on July 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-13863 actively exploited?
CVE-2026-13863 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 97.1% of all scored CVEs.
What is the CVSS score of CVE-2026-13863?
CVE-2026-13863 has a CVSS v3.1 base score of 7.8 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-13863?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-13863, 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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