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TI-2026-36488 Aliases CVE-2026-49303GHSA-8v45-5864-7xc6

Access control flaw in Huawei HarmonyOS

Priority LOW 22CWE-264Published · Updated

Key facts

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

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

Summary

Permission control vulnerability in the notification module. Impact: Successful exploitation of this vulnerability may affect availability.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00112 1st 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
HuaweiHarmonyOS4.3.1; 4.3.0; 4.2.0; 4.0.0—No fix listedCNA
HuaweiEMUI15.0.0; 14.2.0; 14.0.0—No fix listedCNA
  • HarmonyOS VendorHuawei Affected 4.3.1; 4.3.0; 4.2.0; 4.0.0 Fixed in — No fix listed CNA
  • EMUI VendorHuawei Affected 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

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-49303
  2. 2026-10-03 Alias added: GHSA-8v45-5864-7xc6

References

  • 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