Read the docs
TI-2026-83763 Aliases CVE-2026-101176GHSA-chm4-2g7h-7hq4

Access control flaw in Huawei HarmonyOS and EMUI event notifications

Priority LOW 30CWE-264Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
High
Impact type
Security bypass
Confidentiality · integrity · availability
Low · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-264.

Summary

Huawei HarmonyOS 4.0.0, 4.2.0, 4.3.0, 4.3.1 and 4.3.3 and Huawei EMUI 14.0.0, 14.2.0, 15.0.0 and 16.0.0 are affected. A permission control flaw in the event notification management module (CWE-264) lets a remote attacker without privileges affect service confidentiality, with high attack complexity and user interaction required.

Written with Claude Haiku 5.5 from the sources below · 2026-11-02

Description from the CNA

Permission control vulnerability in the event notification management module. Impact: Successful exploitation of this vulnerability may affect service confidentiality.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00133 2nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
HuaweiHarmonyOS4.3.3; 4.3.1; 4.3.0; 4.2.0; 4.0.0—No fix listedCNA
HuaweiEMUI16.0.0; 15.0.0; 14.2.0; 14.0.0—No fix listedCNA
  • HarmonyOS VendorHuawei Affected 4.3.3; 4.3.1; 4.3.0; 4.2.0; 4.0.0 Fixed in — No fix listed CNA
  • EMUI VendorHuawei Affected 16.0.0; 15.0.0; 14.2.0; 14.0.0 Fixed in — No fix listed CNA

CPE names Threatist (inferred) · 2

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:o:huawei:harmonyos:*:*:*:*:*:*:*:*——Huawei
cpe:2.3:o:huawei:emui:*:*:*:*:*:*:*:*——Huawei
  • cpe:2.3:o:huawei:harmonyos:*:*:*:*:*:*:*:* Versions — — ·Huawei
  • cpe:2.3:o:huawei:emui:*:*:*:*:*:*:*:* Versions — — ·Huawei

Remediation

The sources list no fixed version for Huawei HarmonyOS or Huawei EMUI.

Written with Claude Haiku 5.5 from the sources below · 2026-11-02

Timeline

  1. 2026-11-02 Threatist record created from CVE-2026-101176
  2. 2026-11-02 Alias added: GHSA-chm4-2g7h-7hq4
  3. 2026-11-02 CISA SSVC decision points changed
  4. 2026-11-02 Priority changed: MEDIUM → LOW

References

Other 2

  • TI-2019-00485 Use after free in Microsoft Windows KEVCVSS 3.1CRITICAL 9.8
  • TI-2016-02580 Code injection in Apache Struts through Dynamic Method Invocation KEVCVSS 3.1HIGH 8.1
  • TI-2020-00067 Out-of-bounds write in Android KEVCVSS 3.1HIGH 7.8
  • TI-2019-01829 Use after free in Android KEVCVSS 3.1HIGH 7.8
  • TI-2017-10594 Heap-based buffer overflow in dnsmasq before 2.78 allows remote attackers to cause a… CVSS 3.1CRITICAL 9.8
  • TI-2017-12631 Improper input validation in Huawei HG532 CVSS 3.0HIGH 8.8
See all 2424 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences