Low severity · published Oct 26, 2026
CVE-2026-96432
Null pointer dereference vulnerability in QNetworkAccessManager impacts Qt
New
2.1
CVSS
0.3%
EPSS
No
On KEV
Description
A malicious or compromised HTTP/2 server withholding SETTINGS ACK can send RST_STREAM on a completed stream, planting a null pointer, and then send a PUSH_PROMISE for that stream, causing a null pointer dereference in the QNetworkAccessManager class of the Qt Network module that crashes the application.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 26% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
QT
qt · qt
6.8.0 through 6.8.9; 6.9.0 through 6.11.2 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-96432
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-96432
codereview.qt-project.org
https://codereview.qt-project.org/c/qt/qtbase/+/759718
wiki.qt.io
https://wiki.qt.io/List_of_known_vulnerabilities_in_Qt_products#CVE-2026-96432:
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