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Vendor advisories

Microsoft Security Response Center

Browse 15,859 advisories from this official source. Search by product, CVE, severity, or advisory ID.

Current Checked 2 hours ago Checked every 6 hours
All vendor sources Official source

15,859 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.

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Microsoft Security Response CenterCVE-2026-28388
MediumCVSS 5.9

NULL Pointer Dereference When Processing a Delta CRL

Mariner

Affected productsazl3 openssl 3.3.5-4 on Azure Linux 3.0, cbl2 edk2 20230301gitf80f052277c8-47 on CBL-Mariner 2.0, cbl2 hvloader 1.0.1-18 on CBL-Mariner 2.0, cbl2 edk2 20230301gitf80f052277c8-47 on CBL Mariner 2.0
Fixed versions3.3.5-5, 1.1.1k-40
Vendor guidance

CBL-Mariner Releases Release Notes

CVE-2026-28388
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2026-28389
MediumCVSS 7.5

Possible NULL Dereference When Processing CMS KeyAgreeRecipientInfo

Mariner

Affected productsazl3 openssl 3.3.5-4 on Azure Linux 3.0, azl3 cloud-hypervisor 48.0.246-4 on Azure Linux 3.0, azl3 edk2 20240524git3e722403cd16-15 on Azure Linux 3.0, azl3 nodejs24 24.13.0-3 on Azure Linux 3.0
Fixed versions3.3.5-5, 20240524git3e722403cd16-16, 1.1.1k-40
Vendor guidance

CBL-Mariner Releases Release Notes

CVE-2026-28389
Read the vendor advisory Watch this 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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