CVE-2026-17773

MEDIUMPre-NVD 4.34.3—
EchelonGraph scoreHIGH confidence

Score 4.3 from GitHub Security Advisory published 2026-07-30. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 4.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 4 sources updated this week
4.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 4.3Exploit: 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 Cast in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)

CVSS v3
4.3
Vendor severity
MEDIUMper Google (Chromium)Vendor's own band, not a CVSS rating — advisory text: (Chromium security severity: Medium)
EG Score
4.3(high)
EG Risk
19(Track)
EG Risk 19/100SSVC: 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
Severity43% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
27%
KEV
Not listed

Published

July 30, 2026

Last Modified

August 4, 2026

Advisory Details (2)

Auto-updated Jul 30, 2026
No patch confirmed yet.
generic

Chromium

https://issues.chromium.org/issues/513232523
generic

Chrome Releases: Stable Channel Update for Desktop

https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html

Vendor Advisories for CVE-2026-17773(1)

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 ... 151.0.7922.47-1 (394 versions)151.0.7922.71-1~deb12u1—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
chromium138.0.7204.183-1 ... 151.0.7922.71-1~deb12u1 (160 versions)151.0.7922.71-1~deb13u1—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
chromium138.0.7204.183-1 ... 151.0.7922.71-1~deb13u1 (162 versions)——

Weakness Classification(2)

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

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 24× in last 7d / 107× 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 107 total refreshes for this CVE.

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

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-17773?
CVE-2026-17773 is a medium vulnerability published on July 30, 2026. Insufficient validation of untrusted input in Cast in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)
When was CVE-2026-17773 disclosed?
CVE-2026-17773 was first published in the National Vulnerability Database on July 30, 2026, with the most recent update on August 4, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-17773 actively exploited?
CVE-2026-17773 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 73.2% of all scored CVEs.
What is the CVSS score of CVE-2026-17773?
CVE-2026-17773 has a CVSS v3.1 base score of 4.3 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-17773?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-17773, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-17773

Explore →

Is Your Infrastructure Affected by CVE-2026-17773?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs