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New vulnerabilities – clearly explained

Every newly published security vulnerability (CVE), continuously from the NVD, with the actively exploited ones from CISA, the probability of exploitation (EPSS) and public exploits – each one researched individually: what is affected, what helps, what to do.

New CVEs in the last 30 days by severity

  • Critical
  • High
  • Medium
  • Low
  • Not rated
01,0002,0003,000Wed, 7 Oct 2026: 340 CVE (Critical 53, High 131, Medium 145, Low 9, Not rated 2)7 OctThu, 8 Oct 2026: 496 CVE (Critical 62, High 194, Medium 219, Low 21)Fri, 9 Oct 2026: 315 CVE (Critical 42, High 152, Medium 105, Low 11, Not rated 5)Sat, 10 Oct 2026: 412 CVE (Critical 78, High 143, Medium 178, Low 13)Sun, 11 Oct 2026: 229 CVE (Critical 16, High 73, Medium 101, Low 39)Mon, 12 Oct 2026: 674 CVE (Critical 48, High 264, Medium 282, Low 80)12 OctTue, 13 Oct 2026: 2,303 CVE (Critical 170, High 1,361, Medium 729, Low 43)Wed, 14 Oct 2026: 824 CVE (Critical 92, High 373, Medium 286, Low 30, Not rated 43)Thu, 15 Oct 2026: 546 CVE (Critical 51, High 232, Medium 244, Low 19)Fri, 16 Oct 2026: 465 CVE (Critical 53, High 179, Medium 219, Low 14)Sat, 17 Oct 2026: 100 CVE (Critical 4, High 42, Medium 50, Low 4)17 OctSun, 18 Oct 2026: 549 CVE (Critical 10, High 55, Medium 65, Low 19, Not rated 400)Mon, 19 Oct 2026: 437 CVE (Critical 32, High 133, Medium 206, Low 66)Tue, 20 Oct 2026: 1,923 CVE (Critical 169, High 815, Medium 811, Low 128)Wed, 21 Oct 2026: 542 CVE (Critical 52, High 218, Medium 225, Low 47)Thu, 22 Oct 2026: 492 CVE (Critical 69, High 162, Medium 207, Low 54)22 OctFri, 23 Oct 2026: 492 CVE (Critical 40, High 170, Medium 91, Low 27, Not rated 164)Sat, 24 Oct 2026: 73 CVE (Critical 12, High 20, Medium 35, Low 6)Sun, 25 Oct 2026: 131 CVE (Critical 4, High 35, Medium 66, Low 26)Mon, 26 Oct 2026: 738 CVE (Critical 32, High 250, Medium 368, Low 71, Not rated 17)Tue, 27 Oct 2026: 648 CVE (Critical 78, High 232, Medium 215, Low 33, Not rated 90)27 OctWed, 28 Oct 2026: 626 CVE (Critical 35, High 224, Medium 215, Low 31, Not rated 121)Thu, 29 Oct 2026: 537 CVE (Critical 82, High 204, Medium 227, Low 19, Not rated 5)Fri, 30 Oct 2026: 668 CVE (Critical 45, High 220, Medium 262, Low 32, Not rated 109)Sat, 31 Oct 2026: 112 CVE (Critical 11, High 44, Medium 51, Low 1, Not rated 5)Sun, 1 Nov 2026: 98 CVE (Critical 8, High 24, Medium 27, Low 15, Not rated 24)1 NovMon, 2 Nov 2026: 476 CVE (Critical 29, High 193, Medium 173, Low 20, Not rated 61)Tue, 3 Nov 2026: 723 CVE (Critical 60, High 256, Medium 290, Low 38, Not rated 79)Wed, 4 Nov 2026: 415 CVE (Critical 38, High 169, Medium 141, Low 34, Not rated 33)Thu, 5 Nov 2026: 117 CVE (Critical 9, High 24, Medium 9, Low 13, Not rated 62)5 Nov

Per day (UTC); hover over a bar for the figures.

Show as table
DayCriticalHighMediumLowNot ratedTotal
Thu, 5 Nov 202692491362117
Wed, 4 Nov 2026381691413433415
Tue, 3 Nov 2026602562903879723
Mon, 2 Nov 2026291931732061476
Sun, 1 Nov 202682427152498
Sat, 31 Oct 202611445115112
Fri, 30 Oct 20264522026232109668
Thu, 29 Oct 202682204227195537
Wed, 28 Oct 20263522421531121626
Tue, 27 Oct 2026782322153390648
Mon, 26 Oct 2026322503687117738
Sun, 25 Oct 202643566260131
Sat, 24 Oct 20261220356073
Fri, 23 Oct 2026401709127164492
Thu, 22 Oct 202669162207540492
Wed, 21 Oct 202652218225470542
Tue, 20 Oct 202616981581112801,923
Mon, 19 Oct 202632133206660437
Sun, 18 Oct 202610556519400549
Sat, 17 Oct 20264425040100
Fri, 16 Oct 202653179219140465
Thu, 15 Oct 202651232244190546
Wed, 14 Oct 2026923732863043824
Tue, 13 Oct 20261701,3617294302,303
Mon, 12 Oct 202648264282800674
Sun, 11 Oct 20261673101390229
Sat, 10 Oct 202678143178130412
Fri, 9 Oct 202642152105115315
Thu, 8 Oct 202662194219210496
Wed, 7 Oct 20265313114592340

1,459 vulnerabilities · Vendor: Microsoft

CVE-2026-70093High 7.8

Windows 10 1607: Heap-based buffer overflow in Rich Text Edit Control

A heap-based buffer overflow in the Windows Rich Text Edit Control allows a locally authorized user with low privileges to elevate privileges on the affected system. Successful exploitation can lead to code execution with higher privileges. The attacker needs local access and an existing foothold, such as a logged-in user or malware running as a user, so the risk is not direct internet exposure.

Microsoft · Windows 10 1607

CVE-2026-70092High 7.8

Windows PostScript Printer Driver: Heap-based buffer overflow

A heap-based buffer overflow in the Microsoft PostScript Printer Driver in Windows allows a local attacker to elevate privileges. The attack requires local access to the system and user interaction (UI:R). The CVSS score is 7.8 (High), with total impact rated for confidentiality, integrity and availability. At the time of writing, no exploitation and no public proof of concept are known.

Microsoft · Windows

CVE-2026-70089High 8.8

Microsoft Windows GDI: Remote code execution via heap-based buffer overflow

A heap-based buffer overflow in the Windows Graphics Device Interface (GDI) allows an unauthenticated remote attacker to execute code. Exploitation requires that a user interacts with a crafted file or content, the exact trigger is not described in the sources. Successful exploitation would give the attacker full control over the affected system, as the CVSS impact is high for confidentiality, integrity and availability.

Microsoft · Windows GDI

CVE-2026-70086High 7.0

Microsoft Windows Search Component: Local privilege escalation via use-after-free

A use-after-free vulnerability (CWE-416) in the Microsoft Windows Search Component allows an authorized local user to elevate privileges. The attack requires local access with low privileges and a high attack complexity. Successful exploitation would give an attacker full control over confidentiality, integrity and availability of the affected system.

Microsoft · Windows Search Component

CVE-2026-70082High 7.5

Windows Server DNS: Denial of service via uncaught exception

A flaw in the DNS server component of Windows Server allows an unauthenticated attacker on the network to crash the DNS service. The service stays down until the server is rebooted or patched, which can disrupt name resolution and, on domain controllers, Active Directory logons. Microsoft rates the impact as availability only (CVSS 3.1: 7.5, network, no privileges, no user interaction).

Microsoft · Windows Server

CVE-2026-70079High 7.5

Microsoft Windows DNS: Denial of service due to improper workflow enforcement

A flaw in the Windows DNS component allows an unauthenticated attacker on the network to cause a denial of service. The vulnerability is classified as CWE-841 (improper enforcement of behavioral workflow). A successful attack impairs name resolution and is limited to availability; confidentiality and integrity are not affected. The attack requires no privileges and no user interaction, so DNS servers reachable from untrusted networks are most at risk.

Microsoft · Windows DNS Server

CVE-2026-70069High 8.8

Windows DHCP Server: Remote code execution via stack-based buffer overflow

A stack-based buffer overflow in the Windows DHCP Server role allows an authorized attacker to execute code over the network. The NVD score is 8.8 (CVSS 3.1), with high impact on confidentiality, integrity and availability. Exploitation requires low privileges and network access to the DHCP service, so the risk is mainly on internal networks, especially flat ones.

Microsoft · Windows DHCP Server

CVE-2026-70068High 8.8

Windows Client-Side Caching: Heap-based buffer overflow allows privilege escalation

A heap-based buffer overflow in the Windows Client-Side Caching (CSC) service allows an unauthorized attacker to elevate privileges over a network. The CVSS 3.1 base score is 8.8 (High), with network access and no privileges required, but user interaction is needed. Microsoft's CISA SSVC assessment rates technical impact as total, while exploitation is rated none.

Microsoft · Windows

CVE-2026-70066High 7.0

Windows DHCP Server: Use after free allows local privilege escalation

Microsoft Windows DHCP Server contains a use-after-free vulnerability (CWE-416) in the server-side DHCP component. An authorized local user can exploit it to elevate privileges. Exploitation requires local access and low privileges, and the attack complexity is high. The flaw is not reachable directly from the internet.

Microsoft · Windows DHCP Server

CVE-2026-70064High 7.8

Windows Kerberos: Integer underflow allows local privilege escalation

An integer underflow in the Windows Kerberos authentication component allows an attacker with a low-privilege local account to elevate privileges, potentially up to SYSTEM or domain-level control. The affected versions include Windows 10 1607, 1809, 21H2, 22H2, Windows 11 and Windows Server 2012 to 2016. The attack requires local access and no user interaction, and the vulnerability is not directly reachable from the internet.

Microsoft · Windows

CVE-2026-70062High 8.1

Microsoft Windows: Double free in libarchive allows remote code execution

Microsoft's October 2026 update fixes a double free (CWE-415) in the Windows libarchive component. According to the CVE record, an unauthenticated attacker on the network can execute code without user interaction, but attack complexity is high. Microsoft rates the flaw CVSS 8.1 and lists affected builds for Windows 10, Windows 11 and Windows Server. No exploitation and no public proof of concept have been found.

Microsoft · Windows

CVE-2026-70060High 7.8

Microsoft Windows Win32k: Heap-based buffer overflow enables local privilege escalation

A heap-based buffer overflow in the Win32k kernel subsystem of Windows 10 Version 1607 and Windows Server 2016 allows an authorized local user to elevate privileges. Exploitation requires local access and low privileges, such as a user account or malware already running on the device. The flaw is not reachable over the network. Microsoft rates exploitation as more likely, but no public exploit code or active exploitation is confirmed.

Microsoft · Windows 10 1607

Sources

The tracker combines official, freely usable data sources – updated continuously:

This product uses data from the NVD API but is not endorsed or certified by the NVD. EPSS data © FIRST.org.

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