CVE-2025-2783

CRITICALNVD 8.39.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2025-03-27), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 8.3 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 5 sources updated this weekExploited in the wild
9.0EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 8%CVSS: 8.3Exploit: cisa kev · ssvc active · public exploitExposed: 0

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

Incorrect handle provided in unspecified circumstances in Mojo in Google Chrome on Windows prior to 134.0.6998.177 allowed a remote attacker to perform a sandbox escape via a malicious file. (Chromium security severity: High)

CVSS v3
8.3
Vendor severity
HIGHper Google (Chromium)Vendor's own band, not a CVSS rating — advisory text: (Chromium security severity: High)
EG Score
9.0(high)
EG Risk
81(Attend)
EG Risk 81/100SSVC: Attend

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
Severity90% × 45%
Exploitation100% × 40%
Automatability0% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
8%
EPSS %ILE
94%
KEV
⚠ Exploited

Published

March 26, 2025

Last Modified

October 24, 2025

Advisory Details (3)

Auto-updated Jun 2, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: cisa.
cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-2783
generic

Chromium

https://issues.chromium.org/issues/405143032
generic🔴 Active Exploitation

Chrome Releases: Stable Channel Update for Desktop

https://chromereleases.googleblog.com/2025/03/stable-channel-update-for-desktop_25.html

Vendor Advisories for CVE-2025-2783(1)

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

Data Freshness Timeline

(refreshed 98× in last 7d / 398× 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 941 total refreshes for this CVE.

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

Publicly available exploits

(4 references)

Working exploit code is in the public domain (3 GitHub PoCs) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCaronfour/CVE-2025-2783
    First seen Apr 1, 2026

    Full-chain exploit for CVE-2025-2783 (Ipcz Sandbox Escape & RCE).

    Open source ↗
  • Exploit-DBEDB-52403
    First seen Aug 11, 2025

    Microsoft Edge Renderer Process (Mojo IPC) 134.0.6998.177 - Sandbox Escape

    Open source ↗
  • GitHub PoCbyteReaper77/CVE-2025-2783
    First seen Jun 15, 2025

    This project is a research-oriented and educational simulation designed to demonstrate the concept of a sandbox escape vulnerability within Google Chrome (version 134.0.6998.177), leveraging improper handle , validation via Mojo IPC.

    Open source ↗
  • GitHub PoCAlchemist3dot14/CVE-2025-2783
    First seen Apr 6, 2025

    Simulated PoC for CVE-2025-2783 — a sandbox escape vulnerability in Chrome's Mojo IPC. Includes phishing delivery, memory fuzzing, IPC simulation, and logging. Safe for red team demos, detection engineering, and educational use.

    Open source ↗

Frequently asked(6)

What is CVE-2025-2783?
CVE-2025-2783 is a critical vulnerability published on March 26, 2025. Incorrect handle provided in unspecified circumstances in Mojo in Google Chrome on Windows prior to 134.0.6998.177 allowed a remote attacker to perform a sandbox escape via a malicious file. (Chromium security severity: High)
When was CVE-2025-2783 disclosed?
CVE-2025-2783 was first published in the National Vulnerability Database on March 26, 2025, with the most recent update on October 24, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-2783 actively exploited?
Yes. CISA added CVE-2025-2783 to the Known Exploited Vulnerabilities catalog on March 27, 2025, affecting Google Chromium Mojo. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2025-2783?
CVE-2025-2783 has a CVSS v3 base score of 8.3 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2025-2783?
CVE-2025-2783 affects Google Chromium Mojo. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2025-2783?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-2783, 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

Explore the affected products and dependency analysis for CVE-2025-2783

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