CRITICAL 9.4 Microsoft

CVE-2026-52491

An issue in libtiff 85f2ac8e0b01cb7db2bbecf4a3b891bdbef67938 allows an attacker to execute arbitrary code via the libtiff/tools/thumbnail.c: main() component

Microsoft Security Update 2026-Aug: An issue in libtiff 85f2ac8e0b01cb7db2bbecf4a3b891bdbef67938 allows an attacker to execute arbitrary code via the libtiff/tools/thumbnail.c: main() component

Affected Products

References

Published: 2026-08-11 · Source: Microsoft · Feed updated: 2026-10-12
This critical severity vulnerability with a CVSS score of 9.4 was published on 2026-08-11 via Microsoft. Affected: azl3 libtiff 4.6.0-14 on Azure Linux 3.0.

Risk Timeline

CVE Disclosed2026-08-11 · 61 days ago

Remediation Resources

Related Vulnerabilities

CVETitleSeverityCVSS
CVE-2025-32433 PoCErlang/OTP SSH Vulnerable to Pre-Authentication RCECRITICAL10.0
CVE-2025-68121Unexpected session resumption in crypto/tlsCRITICAL10.0
CVE-2026-27211Cloud Hypervisor: Host File Exfiltration via QCOW Backing File AbuseCRITICAL10.0
CVE-2026-44210Kata Containers have VM Escape via virtiofsd Argument Injection through Default-CRITICAL9.9
CVE-2026-98167smb: client: fix server->total_read for compound encrypted PDUsCRITICAL9.8
CVE-2026-98168smb: client: fix reparse buffer bounds in cifs_query_reparse_point()CRITICAL9.8
vulnfeed aggregates 13827 vulnerabilities from NVD, CISA KEV, Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.