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TI-2026-83770 Aliases CVE-2026-101177GHSA-23rc-cmmh-2cx7

Permission control flaw in the Huawei Optimizer module

Priority LOW 17CWE-264Published · Updated

Key facts

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

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

Summary

Huawei HarmonyOS versions 4.3.3, 4.3.1, 4.3.0, 4.2.0 and 4.0.0 and Huawei EMUI versions 16.0.0, 15.0.0, 14.2.0 and 14.0.0 are affected by a permission control flaw in the Optimizer module (CWE-264). A remote attacker needs no privileges or user interaction, but the attack is hard to carry out. Successful exploitation may affect service confidentiality.

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

Description from the CNA

Permission control vulnerability in the Optimizer 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 0.00146 3rd 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 HarmonyOS. The sources list no fixed version for EMUI.

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

Timeline

  1. 2026-11-02 Threatist record created from CVE-2026-101177
  2. 2026-11-02 Alias added: GHSA-23rc-cmmh-2cx7
  3. 2026-11-02 CISA SSVC decision points changed

References

Other 1

  • 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