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Zero Day Monitor © 2026
3492 articles · 168624 vulns · 37/41 feeds (7d)
655
+40 today
Exploited (7d)
335
+31 today
Critical (7d)
1677
CISA KEV
285
Pre-CVE
3492
+261 today
Articles (7d)

Threat Briefing

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About Zero Day Monitor

Open-source vulnerability intelligence for security teams. The platform scans 41 security feeds, analyzes articles with AI, and surfaces the threats that matter. Track trending CVEs, discover zero-days before they get a CVE ID, and monitor your vendor stack for supply-chain risks.

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Ranked by source count
Zero-Days
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AGPL-3.0 licensed
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Vulnerabilities

9.8
oracle · CVE-2026-35273 — CVE-2026-35273: Vulnerability in the PeopleSoft Enterprise PeopleTools product of Oracle PeopleSoft (component: Updates Environment ManaKEVEXPLOITEDPATCHED
peoplesoft_enterprise_peopletools· CVSS 9.8
168🔥
25 art.
0
Jun 11, 2026
8.8
linux · CVE-2026-43284 — xfrm: esp: avoid in-place decrypt on shared skb fragsKEVEXPLOITED
PATCHED
linux_kernel· CVSS 8.8
146🔥
42 art.
0
May 8, 2026
7.8
linux · CVE-2026-43500 — rxrpc: Also unshare DATA/RESPONSE packets when paged frags are presentKEVEXPLOITEDPATCHED
linux_kernel· CVSS 7.8
138🔥
29 art.
0
May 11, 2026
10.0
simplehelp · CVE-2026-48558 — SimpleHelp Authentication Bypass via Missing OIDC JWT Signature VerificationKEVEXPLOITEDPATCHED
simplehelp· CVSS 10.0· CWE-347
129🔥
5 art.
0
Jun 12, 2026
—
ptc · CVE-2026-12569 — Remote Code Execution (RCE) vulnerability in Windchill PDMlinkEXPLOITEDPATCHED
flexplm· CWE-20
112🔥
9 art.
0
Jun 18, 2026
7.8
linux · CVE-2026-31431 — crypto: algif_aead - Revert to operating out-of-placeKEVEXPLOITEDPATCHED
linux_kernel· CVSS 7.8
92
84 art.
0
Apr 22, 2026
8.6
cis · CVE-2026-20230 — CVE-2026-20230: A vulnerability in Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session MaEXPLOITEDPATCHED
unified_communications_manager· CVSS 8.6· CWE-918
92
20 art.
0
Jun 3, 2026
9.8
libssh2 · CVE-2026-55200 — libssh2 - Out-of-Bounds Write via Unchecked packet_length in transport.cEXPLOITEDPATCHED
libssh2· CVSS 9.8· CWE-680
88
11 art.
0
Jun 17, 2026
7.8
linux · CVE-2026-46300 — net: skbuff: preserve shared-frag marker during coalescingEXPLOITEDPATCHED
linux_kernel· CVSS 7.8
86
20 art.
0
May 13, 2026
8.8
linux · CVE-2026-43503 — net: skbuff: propagate shared-frag marker through frag-transfer helpersEXPLOITEDPATCHED
linux_kernel· CVSS 8.8· CWE-20
80
12 art.
0
May 23, 2026
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Pre-CVE Events

View all
ZERO-DAYCisco Advance Notification for Publication of July 1, 2026, Security Advisories
cisco1 sourcesverified
ZERO-DAYMalicious Code Injection via Axios npm Package Maintainer Account Takeover
axiosMEDIUM1 sourcesverified
ZERO-DAYADV990001 Latest Servicing Stack Updates
1 sourcesverified
Symlink Traversal Privilege Escalation in libacl
non-gnu acl projectHIGH1 sources
Weak RSA Keys with Many Zeros in CompleteFTP
enterprisedt1 sources

Latest news

View all
[B]microsoft
Security Alert: Microsoft Releases May 2026 Security Updates
[B]adobe
Security Alert: Alert Regarding Vulnerabilities in Adobe Acrobat and Reader (APSB25-119)
[B]adobe
Security Alert: Alert Regarding Vulnerabilities in Adobe Acrobat and Reader (APSB26-44)
[B]microsoftCVE-2025-62221
Security Alert: Microsoft Releases December 2025 Security Updates
[B]
microsoft
CVE-2026-21510
Security Alert: Microsoft Releases February 2026 Security Updates
[B]microsoft
Security Alert: Microsoft Releases March 2026 Security Updates
[B]microsoftCVE-2026-32201
Security Alert: Microsoft Releases April 2026 Security Updates
[B]microsoftCVE-2026-20805
Security Alert: Microsoft Releases January 2026 Security Updates