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» May 4, 2026
May 4, 2026 Cyber Threat Intelligence
Track daily vulnerability activity, KEV additions, public exploits, critical disclosures, and EPSS risk shifts.
Daily summary
Linux Kernel: public exploit or PoC linked (Use-After-Free)
Etherpad Lite — exploitation likelihood rose sharply (EPSS 60% → 77% · rising (+17%)).
10 new critical disclosures — review patch status on exposed services.
Top threats today
Three highest-priority changes — analyst brief, not a CVE dump.
Active exploit activity
CVE-2025-60690
Linksys E1200 Firmware Buffer Overflow
Public exploit or PoC available
Exploit activity linked
Linksys E1200 Firmware Buffer Overflow now has public exploit or PoC linkage — assume opportunistic scanning and targeted follow-on activity.
Active exploit activity
CVE-2026-21250
Microsoft Windows 11 24h2 privilege escalation
Public exploit or PoC available
Exploit activity linked
Potential privilege escalation to admin/root
Microsoft Windows 11 24h2 privilege escalation now has public exploit or PoC linkage — assume opportunistic scanning and targeted follow-on activity.
Critical exposure
Exploitation likelihood sharply increased
CVSS 9.8
EPSS 60% → 77% · rising (+17%)
Etherpad Lite: EPSS 60% → 77% · rising (+17%) — EPSS is climbing faster than peer CVEs in this window, a leading indicator even before KEV or public exploit linkage.
Active exploitation
CISA KEV — confirmed in-the-wild exploitation.
Nothing flagged in this category for this digest.
View KEV additions
Exploit & PoC activity
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: fix use-after-free in nf_tables_addchain() nf_t...
MindsDB is a platform for building artificial intelligence from enterprise data.
Versions of the Traccar open-source GPS tracking system up to and including 6.11.1 contain a Cross-Site WebSocket Hijacking (CSWSH) vulne...
Untrusted pointer dereference in Windows HTTP.sys allows an authorized attacker to elevate privileges locally.
In the Linux kernel, the following vulnerability has been resolved: fs/proc: fix uaf in proc_readdir_de() Pde is erased from subdir rbtre...
A stack-based buffer overflow exists in the get_merge_ipaddr function of the httpd binary on Linksys E1200 v2 routers (Firmware E1200_v2....
View new exploit links
New critical disclosures
WDR201A WiFi Extender (HW V2.1, FW LFMZX28040922V1.02) contains an OS command injection vulnerability in the wireless.cgi binary that all...
WDR201A WiFi Extender (HW V2.1, FW LFMZX28040922V1.02) contains an OS command injection vulnerability in the internet.cgi binary that all...
WDR201A WiFi Extender (HW V2.1, FW LFMZX28040922V1.02) contains an OS command injection vulnerability in the makeRequest.cgi binary that...
WDR201A WiFi Extender (HW V2.1, FW LFMZX28040922V1.02) contains an OS command injection vulnerability in the adm.cgi binary's reboot_time...
WDR201A WiFi Extender (HW V2.1, FW LFMZX28040922V1.02) contains an OS command injection vulnerability in the firewall.cgi binary across f...
OpenC3 COSMOS provides the functionality needed to send commands to and receive data from one or more embedded systems.
n8n is an open source workflow automation platform.
n8n is an open source workflow automation platform.
Nginx UI is a web user interface for the Nginx web server.
Arelle before 2.39.10 contains an unauthenticated remote code execution vulnerability in the /rest/configure REST endpoint that accepts a...
View critical disclosures
cvelogic
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