Vendor advisories

Microsoft Security Response Center

Browse 15,972 advisories from this official source. Search by product, CVE, severity, or advisory ID.

Current Checked 5 hours ago Checked every 6 hours

15,972 advisories

Each date says whether the vendor published or updated the bulletin. A vendor bulletin describes products that may be affected. It does not prove that the vulnerable product or version is installed in your environment.

RSS for these results
Microsoft Security Response CenterCVE-2026-62721
HighCVSS 7.8

Windows User-Mode Power Service (UMPS) Elevation of Privilege Vulnerability

Insufficient granularity of access control in User-Mode Power Service (UMPS) allows an authorized attacker to elevate privileges locally.

Affected productsWindows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019, Windows Server 2019 (Server Core installation)
Fixed versions10.0.17763.9121, 10.0.20348.5499, 10.0.20348.5440, 10.0.19044.7663
Vendor guidance

Install KB5120238. Install KB5120242. Install KB5120229. Install KB5120249. Install KB5120233. Install KB5120228. Install KB5129195. Install KB5129241. Install KB5120240. Install KB5129194. Install KB5120418. Install ...

Microsoft Security Response CenterCVE-2026-9804
HighCVSS 7.7

Kubevirt: kubevirt: vmexport directory symlink escape enables exporter pod file read

Mariner

Affected productsazl3 kubevirt 1.7.1-8 on Azure Linux 3.0, azl3 kubevirt 1.7.1-2 on Azure Linux 3.0, azl3 kubevirt 1.7.1-7 on Azure Linux 3.0
Fixed versions1.8.4-1
Vendor guidance

See the Microsoft Security Update Guide for the update that applies to your product.

Microsoft Security Response CenterCVE-2026-54874
HighCVSS 7.5

Excessive Memory Use Buffering DTLS Records for a Future Epoch

Mariner

Affected productsazl3 edk2 20240524git3e722403cd16-18 on Azure Linux 3.0, azl3 kata-containers 3.32.0.kata0-2 on Azure Linux 3.0, azl3 qemu 9.1.0-11 on Azure Linux 3.0, azl3 openssl 3.3.7-6 on Azure Linux 3.0
Fixed versions3.3.7-6
Vendor guidance

See the Microsoft Security Update Guide for the update that applies to your product.

Microsoft Security Response CenterCVE-2026-63073
MediumCVSS 7.4

Untrusted Sender DN Used as Format String in CMP Response Validation

Mariner

Affected productsazl3 kata-containers 3.32.0.kata0-2 on Azure Linux 3.0, azl3 rust 1.75.0-30 on Azure Linux 3.0, azl3 openssl 3.3.7-6 on Azure Linux 3.0, azl3 cloud-hypervisor 51.1.101-2 on Azure Linux 3.0
Fixed versions3.3.7-6
Vendor guidance

See the Microsoft Security Update Guide for the update that applies to your product.

Microsoft Security Response CenterCVE-2025-23131
MediumCVSS 5.5

dlm: prevent NPD when writing a positive value to event_done

Is Azure Linux the only Microsoft product that includes this open-source library and is therefore potentially affected by this vulnerability? One of the main benefits to our customers who choose to use the Azure Linux distro is the commitment to keep it up to date with the mos...

Affected productscbl2 kernel 5.15.186.1-1 on CBL Mariner 2.0, azl3 kernel 6.6.112.1-2 on Azure Linux 3.0, azl3 kernel 6.6.117.1-1 on Azure Linux 3.0, azl3 kernel 6.6.119.3-1 on Azure Linux 3.0
Fixed versions6.6.144.1-1
Vendor guidance

CBL-Mariner Releases

Microsoft Security Response CenterCVE-2026-63072
MediumCVSS 7.5

Heap Buffer Overflow in CMS Key Unwrapping

Mariner

Affected productsazl3 cloud-hypervisor 51.1.101-2 on Azure Linux 3.0, azl3 edk2 20240524git3e722403cd16-18 on Azure Linux 3.0, azl3 kata-containers 3.32.0.kata0-2 on Azure Linux 3.0, azl3 openssl 3.3.7-4 on Azure Linux 3.0
Fixed versions20240524git3e722403cd16-19, 3.3.7-6
Vendor guidance

See the Microsoft Security Update Guide for the update that applies to your product.

Microsoft Security Response CenterCVE-2026-63074
MediumCVSS 5.9

CMP Indefinite Cache Growth of ExtraCerts

Mariner

Affected productsazl3 cloud-hypervisor 51.1.101-2 on Azure Linux 3.0, azl3 edk2 20240524git3e722403cd16-18 on Azure Linux 3.0, azl3 kata-containers 3.32.0.kata0-2 on Azure Linux 3.0, azl3 openssl 3.3.7-6 on Azure Linux 3.0
Fixed versions20240524git3e722403cd16-19, 3.3.7-6
Vendor guidance

See the Microsoft Security Update Guide for the update that applies to your product.

Before you act

Start with the vendor's bulletin.

We normalize the fields that vendors publish so you can search and compare advisories in one place. We do not replace the original bulletin or turn a product-name match into proof that a system is vulnerable.

Confirm the installed product and version, read the linked vendor guidance, and test the recommended update or mitigation through your normal change process.

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