CVE-2026-76033

MEDIUMPre-NVD 4.24.2—
EchelonGraph scoreMEDIUM confidence

Score 4.2 from GitHub Security Advisory published 2026-08-18. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 4.2; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 4 sources updated this week
4.2EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.2%CVSS: 4.2Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

Inappropriate implementation in CORS in Google Chrome prior to 151.0.7922.169 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: High)

CVSS v3
4.2
Vendor severity
HIGHper Google (Chromium)Vendor's own band, not a CVSS rating — advisory text: (Chromium security severity: High)
EG Score
4.2MEDIUMmedium confidence
EG Risk
19
EG Risk 19/100CISA SSVC

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
Severity42% × 45%
Exploitation0% × 40%
Automatability0% × 15%
CISA SSVC: Track at every mission impact level.
Action: A fix is available. Apply it within your standard update timelines.
EPSS PROB
0.2%
EPSS %ILE
11th
KEV
Not listed

CISA SSVCTrack at every mission impact level.

A fix is available. Apply it within your standard update timelines.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

August 18, 2026

Last Modified

August 20, 2026

Advisory Details (2)

Auto-updated Aug 19, 2026
Patch available.
generic

Chromium

https://issues.chromium.org/issues/516715010
generic

Chrome Releases: Stable Channel Update for Desktop

https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0826575033.html

Vendor Advisories for CVE-2026-76033(2)

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

Affected Packages

(3 across 3 ecosystems)
Debian:12(1)
PackageVulnerable rangeFix by version rangeDependents
chromium113.0.5672.126-1 ... 151.0.7922.71-1~deb13u1 (405 versions)
  • every version up to 151.0.7922.169-1~deb12u1: fixed in 151.0.7922.169-1~deb12u1
—
Debian:13(1)
PackageVulnerable rangeFix by version rangeDependents
chromium138.0.7204.183-1 ... 151.0.7922.71-1~deb13u1 (171 versions)
  • every version up to 151.0.7922.169-1~deb13u1: fixed in 151.0.7922.169-1~deb13u1
—
Debian:14(1)
PackageVulnerable rangeFix by version rangeDependents
chromium138.0.7204.183-1 ... 151.0.7922.71-1~deb13u1 (172 versions)
  • every version up to 151.0.7922.169-1: fixed in 151.0.7922.169-1
—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 18× in last 7d / 95× 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 165 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-76033?
CVE-2026-76033 is a medium vulnerability published on August 18, 2026. Inappropriate implementation in CORS in Google Chrome prior to 151.0.7922.169 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: High)
When was CVE-2026-76033 disclosed?
CVE-2026-76033 was first published on August 18, 2026, with the most recent update on August 20, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-76033 actively exploited?
CVE-2026-76033 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.2% probability of exploitation in the next 30 days (11th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-76033?
CVE-2026-76033 has a CVSS v3.1 base score of 4.2 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-76033?
A fix for CVE-2026-76033 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-76033 are linked in the Vendor Advisories panel on this page.

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