Cisco Fixes Actively Exploited Zero-Day CVE-2026-20045 in Unified CM and Webex

Cisco has released fresh patches to address what it described as a "critical" security vulnerability impacting multiple Unified Communications CM products and Webex Calling Dedicated Instance that it has been actively exploited as a zero-day in the wild. The vulnerability, CVE-2026-20045 CVSS...

openSUSE 16 Security Update : gimp (openSUSE-SU-2026:20055-1)

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:20055-1 advisory. Changes in gimp: Update to 3.0.6: - Security: - During development, we received reports from the Zero Day Initiative of potential security issue...

China-Linked APT Exploited Sitecore Zero-Day in Critical Infrastructure Intrusion

A threat actor likely aligned with China has been observed targeting critical infrastructure sectors in North America since at least last year. Cisco Talos, which is tracking the activity under the name UAT-8837 , assessed it to be a China-nexus advanced persistent threat APT actor with medium...

Exploit for Deserialization of Untrusted Data in Microsoft

CVE-2025-53770 Security Advisory Microsoft SharePoint Serv...

Cisco Patches Zero-Day RCE Exploited by China-Linked APT in Secure Email Gateways

Cisco on Thursday released security updates for a maximum-severity security flaw impacting Cisco AsyncOS Software for Cisco Secure Email Gateway and Cisco Secure Email and Web Manager, nearly a month after the company disclosed that it had been exploited as a zero-day by a China-nexus advanced...

UAT-8837 targets critical infrastructure sectors in North America

Cisco Talos is closely tracking UAT-8837, a threat actor we assess with medium confidence is a China-nexus advanced persistent threat APT actor based on overlaps in tactics, techniques, and procedures TTPs with those of other known China-nexus threat actors. Based on UAT-8837's TTPs and...

Introducing ÆSIR: Finding Zero-Day Vulnerabilities at the Speed of AI

TrendAI™’s ÆSIR platform combines AI automation with expert oversight to discover zero-day vulnerabilities in AI infrastructure – 21 CVEs across NVIDIA, Tencent, and MLflow since mid-2025...

Microsoft January 2026 Patch Tuesday: 115 Vulnerabilities Fixed

Microsoft kicks off 2026 with 115 security updates, including a fix for an actively exploited zero-day. Protect your Windows and Office systems today...

Patch Tuesday, January 2026 Edition

Microsoft today issued patches to plug at least 113 security holes in its various Windows operating systems and supported software. Eight of the vulnerabilities earned Microsoft's most-dire "critical" rating, and the company warns that attackers are already exploiting one of the bugs fixed today...

A Novel Contrastive Loss for Zero-Day Network Intrusion Detection

Machine learning has achieved state-of-the-art results in network intrusion detection; however, its performance significantly degrades when confronted by a new attack class -- a zero-day attack. In simple terms, classical machine learning-based approaches are adept at identifying attack classes o...

PT-2026-2856

Name of the Vulnerable Software and Affected Versions Substance3D - Stager versions 3.1.6 and earlier Description A flaw exists in Substance3D - Stager that involves an out-of-bounds read when processing a specially crafted file. This could allow an attacker to read beyond the boundaries of...

Microsoft and Adobe Patch Tuesday, January 2026 Security Update Review

Starting the year on a security-first note, Microsoft's January 2026 Patch Tuesday resolves several vulnerabilities that could impact enterprise environments. Here's a quick breakdown of what you need to know. Microsoft Patch Tuesday for January 2026 This month's release addresses 115...

CVE-2026-20921

creationtimestamp| type| source ---|---|--- 2026-01-13 18:01:16+00:00| seen| https://www.thezdi.com/blog/2026/1/13/the-january-2026-security-update-review 2026-01-13 18:16:30+00:00| seen| https://advisories.ncsc.nl/advisory?id=NCSC-2026-0007 2026-04-10 10:53:42+00:00| seen|...

CVE-2026-20959

creationtimestamp| type| source ---|---|--- 2026-01-13 18:01:16+00:00| seen| https://www.thezdi.com/blog/2026/1/13/the-january-2026-security-update-review 2026-01-13 18:18:45+00:00| seen| https://advisories.ncsc.nl/advisory?id=NCSC-2026-0010 2026-01-14 15:20:06+00:00| seen|...

CVE-2026-20939

creationtimestamp| type| source ---|---|--- 2026-01-13 18:01:16+00:00| seen| https://www.thezdi.com/blog/2026/1/13/the-january-2026-security-update-review 2026-01-13 18:16:30+00:00| seen| https://advisories.ncsc.nl/advisory?id=NCSC-2026-0007 2026-04-10 10:53:42+00:00| seen|...

CVE-2026-21221

creationtimestamp| type| source ---|---|--- 2026-01-13 18:01:16+00:00| seen| https://www.thezdi.com/blog/2026/1/13/the-january-2026-security-update-review 2026-01-13 18:16:30+00:00| seen| https://advisories.ncsc.nl/advisory?id=NCSC-2026-0007 2026-04-10 10:53:42+00:00| seen|...

CVE-2026-20940

creationtimestamp| type| source ---|---|--- 2026-01-13 18:01:16+00:00| seen| https://www.thezdi.com/blog/2026/1/13/the-january-2026-security-update-review 2026-01-13 18:16:30+00:00| seen| https://advisories.ncsc.nl/advisory?id=NCSC-2026-0007 2026-04-10 10:53:42+00:00| seen|...

CVE-2026-20923

creationtimestamp| type| source ---|---|--- 2026-01-13 18:01:16+00:00| seen| https://www.thezdi.com/blog/2026/1/13/the-january-2026-security-update-review 2026-01-13 18:16:30+00:00| seen| https://advisories.ncsc.nl/advisory?id=NCSC-2026-0007 2026-04-10 10:53:42+00:00| seen|...

CVE-2026-20858

creationtimestamp| type| source ---|---|--- 2026-01-13 18:01:16+00:00| seen| https://www.thezdi.com/blog/2026/1/13/the-january-2026-security-update-review 2026-01-13 18:16:30+00:00| seen| https://advisories.ncsc.nl/advisory?id=NCSC-2026-0007 2026-04-10 10:53:42+00:00| seen|...

CVE-2026-20818

creationtimestamp| type| source ---|---|--- 2026-01-13 18:01:16+00:00| seen| https://www.thezdi.com/blog/2026/1/13/the-january-2026-security-update-review 2026-01-13 18:16:30+00:00| seen| https://advisories.ncsc.nl/advisory?id=NCSC-2026-0007 2026-04-10 10:53:42+00:00| seen|...