CVE-2026-49314
OOB write vulnerability in the rendering and composition module. Impact: Successful exploitation...
OOB write vulnerability in the rendering and composition module. Impact: Successful exploitation of this vulnerability may affect availability.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- Low
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
7.3
OOB write vulnerability in the rendering and composition module. Impact: Successful exploitation of this vulnerability may affect availability.
- Record
CVE-2026-49314- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L - Weakness
- CWE-125
- Updated
- 2026-11-02
EUVDEUVD-2026-74596
7.3
OOB write vulnerability in the rendering and composition module. Impact: Successful exploitation of this vulnerability may affect availability.
- Record
EUVD-2026-74596- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-6932-22ww-rh26
7.3
OOB write vulnerability in the rendering and composition module. Impact: Successful exploitation...
OOB write vulnerability in the rendering and composition module. Impact: Successful exploitation of this vulnerability may affect availability.
- Record
GHSA-6932-22ww-rh26- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L - Weakness
- CWE-125
- Updated
- 2026-11-02
NVD
7.3
OOB write vulnerability in the rendering and composition module. Impact: Successful exploitation of this vulnerability may affect availability.
- Record
CVE-2026-49314- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L - Weakness
- CWE-125
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-49314 is a high vulnerability (CVSS 7.3) in Huawei Harmonyos, published September 9, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.12%, the 1st percentile. No source names a fixed version.