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CVE-2026-49306

UAF vulnerability in the time and time zone module. Impact: Successful exploitation of this...

3.3 Low

CVE-2026-49306 is a low vulnerability (CVSS 3.3) in Huawei Harmonyos, published August 17, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.11%, the 1st percentile. No source names a fixed version.

What does this mean?
Severity
3.3 LowCVSS 3.1, CVE List
Exploit chance
0.11%EPSS, 1st percentile
Exploitation
None knownNot on CISA’s or ENISA’s lists
Fixed in
No fix listedNo source names one

Description

UAF vulnerability in the time and time zone 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
Low
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
Low

Exploit likelihood

0.11%Unchanged since Aug 17, 2026
90%50%10%1%

Affected products

What each source reports

CVE List Score used3.3

UAF vulnerability in the time and time zone module. Impact: Successful exploitation of this vulnerability may affect availability.

Record
CVE-2026-49306
CVSS 3.1
3.3 LowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Weakness
CWE-416
Updated
2026-11-02
EUVDEUVD-2026-600723.3

UAF vulnerability in the time and time zone module. Impact: Successful exploitation of this vulnerability may affect availability.

Record
EUVD-2026-60072
CVSS 3.1
3.3 LowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Updated
2026-11-02
GitHub AdvisoriesGHSA-h37j-x6fg-r8wf3.3

UAF vulnerability in the time and time zone module. Impact: Successful exploitation of this...

UAF vulnerability in the time and time zone module. Impact: Successful exploitation of this vulnerability may affect availability.

Record
GHSA-h37j-x6fg-r8wf
CVSS 3.1
3.3 LowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Weakness
CWE-416
Updated
2026-11-02
NVD3.3

UAF vulnerability in the time and time zone module. Impact: Successful exploitation of this vulnerability may affect availability.

Record
CVE-2026-49306
CVSS 3.1
3.3 LowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Weakness
CWE-416
Updated
2026-11-02

History

History
RecordedChangedSources
aliases, publishedEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

References

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