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Zero Day Monitor © 2026
3474 articles · 168504 vulns · 36/41 feeds (7d)
637
+7 today
Exploited (7d)
358
+5 today
Critical (7d)
1674
CISA KEV
282
Pre-CVE
3474
+157 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
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AGPL-3.0 licensed
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Vulnerabilities

8.8
linux · CVE-2026-43284 — xfrm: esp: avoid in-place decrypt on shared skb fragsKEVEXPLOITEDPATCHED
linux_kernel· CVSS 8.8
151🔥
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
143🔥
29 art.
0
May 11, 2026
7.8
linux · CVE-2026-31431 — crypto: algif_aead - Revert to operating out-of-placeKEVEXPLOITEDPATCHED
linux_kernel· CVSS 7.8
96
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
96
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
92
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
89
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
81
11 art.
0
May 23, 2026
7.5
uuid · CVE-2026-41907 — uuid: Missing buffer bounds check in `v3`/`v5`/`v6` when `buf` is providedEXPLOITEDPATCHED
uuid· CVSS 7.5· CWE-787
81
3 art.
0
Apr 24, 2026
10.0
ui · CVE-2026-34908 — CVE-2026-34908: A malicious actor with access to the network could exploit an Improper Access Control vulnerability found in UniFi OS deKEVEXPLOITEDPATCHED
unifi_os_server· CVSS 10.0· CWE-284
79
9 art.
0
May 22, 2026
5.3
lm-commons · CVE-2026-8723 — qs.stringify crashes on null/undefined entries in comma-format arrays under encodeValuesOnlyEXPLOITEDPATCHED
qs· CVSS 5.3· CWE-476
76
3 art.
0
May 16, 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
Multiple vulnerabilities in vim allow remote code execution
bram moolenaarMEDIUM1 sources
Multiple vulnerabilities in HCL BigFix Compliance (Ruby) allowing code execution, security bypass, data manipulation, information disclosure, and denial of service
hclHIGH1 sources

Latest news

View all
[B]adobe
Security Alert: Alert Regarding Vulnerabilities in Adobe Acrobat and Reader (APSB25-119)
[B]microsoftCVE-2026-42897
Security Alert: Microsoft Releases June 2026 Security Updates
[B]adobeCVE-2026-27220
Security Alert: Alert Regarding Vulnerabilities in Adobe Acrobat and Reader (APSB26-26)
[B]microsoft
Security Alert: Microsoft Releases May 2026 Security Updates
[B]microsoftCVE-2026-20805
Security Alert: Microsoft Releases January 2026 Security Updates
[B]microsoft
Security Alert: Microsoft Releases March 2026 Security Updates
[B]adobe
Security Alert: Alert Regarding Vulnerabilities in Adobe Acrobat and Reader (APSB26-63)
[B]microsoftCVE-2026-21510
Security Alert: Microsoft Releases February 2026 Security Updates