Low severity · published Oct 26, 2026
CVE-2026-107157
Out-of-bounds read vulnerability in QCborValue::fromCbor() impacts Qt Framework
New
2.0
CVSS
0.1%
EPSS
No
On KEV
Description
Specially crafted CBOR input passed to QCborValue::fromCbor() in Qt Core can cause an out-of-bounds read, which may crash the application and could expose information.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 4% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
QT
Qt · qt
5.12.0 through 6.8.8; 6.9.0 through 6.11.2 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-107157
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-107157
codereview.qt-project.org
https://codereview.qt-project.org/c/qt/qtbase/+/745719
wiki.qt.io
https://wiki.qt.io/List_of_known_vulnerabilities_in_Qt_products#CVE-2026-107157:
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