Denial of service (DoS) vulnerability in the office service.

published 2025-11-28 11 mo ago modified 2026-10-08 31 d ago also EUVD-2025-199844

cvss: 5.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.1%; EPSS 0.1% chance of exploitation in 30 days, percentile 0%
public exploits: 0; none known

Denial of service (DoS) vulnerability in the office service. Impact: Successful exploitation of this vulnerability may affect availability.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 11 mo ago (2025-11-28)

Exploit prediction

0.08% chance of exploitation in the next 30 days, higher than 0% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	5.3	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
NVD	3.1	5.5	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

Huawei HarmonyOS

Classification

Weakness

CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization

References

consumer.huawei.com /en/support/bulletin/2025/11/
vendor-advisory

Sources

CVE List CVE-2025-64313
NVD CVE-2025-64313

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Summary