CVE-2026-41977: CWE-190 Integer overflow or wraparound in Huawei HarmonyOS
DoS vulnerability in the log service. Impact: Successful exploitation of this vulnerability may affect availability.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-41977) involves an integer overflow or wraparound (CWE-190) in the log service component of Huawei HarmonyOS versions 4.0.0 to 4.3.1. Exploitation can lead to a denial-of-service condition by affecting system availability. The CVSS 3.1 base score is 5.0, indicating medium severity, with attack vector local, low attack complexity, no privileges required, user interaction required, scope changed, no confidentiality impact, low integrity impact, and high availability impact. There is no vendor advisory or patch available at this time.
Potential Impact
Successful exploitation of this vulnerability may cause denial of service by disrupting the availability of the affected HarmonyOS system. There is no impact on confidentiality or significant integrity loss reported. No known exploits are currently active in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or workaround is currently available, users should monitor Huawei's security advisories for updates. Until a patch is released, limiting local user access and minimizing user interaction with untrusted applications may reduce exposure.
CVE-2026-41977: CWE-190 Integer overflow or wraparound in Huawei HarmonyOS
Description
DoS vulnerability in the log service. Impact: Successful exploitation of this vulnerability may affect availability.
CVSS v3.1
Score 5.0medium
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-41977) involves an integer overflow or wraparound (CWE-190) in the log service component of Huawei HarmonyOS versions 4.0.0 to 4.3.1. Exploitation can lead to a denial-of-service condition by affecting system availability. The CVSS 3.1 base score is 5.0, indicating medium severity, with attack vector local, low attack complexity, no privileges required, user interaction required, scope changed, no confidentiality impact, low integrity impact, and high availability impact. There is no vendor advisory or patch available at this time.
Potential Impact
Successful exploitation of this vulnerability may cause denial of service by disrupting the availability of the affected HarmonyOS system. There is no impact on confidentiality or significant integrity loss reported. No known exploits are currently active in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or workaround is currently available, users should monitor Huawei's security advisories for updates. Until a patch is released, limiting local user access and minimizing user interaction with untrusted applications may reduce exposure.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- huawei
- Date Reserved
- 2026-04-23T01:42:44.929Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a27c1d0e29bf47b5068ffdd
Added to database: 6/9/2026, 7:33:36 AM
Last enriched: 6/9/2026, 7:49:10 AM
Last updated: 6/9/2026, 10:57:33 AM
Views: 8
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