Vendor advisories

Microsoft Security Response Center

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

Current Checked 14 minutes 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.

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Microsoft Security Response CenterCVE-2025-39754
MediumCVSS 5.5

mm/smaps: fix race between smaps_hugetlb_range and migration

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 productsazl3 kernel 6.6.96.2-2 on Azure Linux 3.0, azl3 kernel 6.6.112.1-2 on Azure Linux 3.0, cbl2 kernel 5.15.186.1-1 on CBL Mariner 2.0, azl3 kernel 6.6.117.1-1 on Azure Linux 3.0
Vendor guidance

Release Notes

Microsoft Security Response CenterCVE-2025-39779
MediumCVSS 5.5

btrfs: subpage: keep TOWRITE tag until folio is cleaned

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 productsazl3 kernel 6.6.96.2-2 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, azl3 kernel 6.6.119.3-3 on Azure Linux 3.0
Vendor guidance

Release Notes

Microsoft Security Response CenterCVE-2025-9901
MediumCVSS 5.9

Libsoup: improper handling of http vary header in libsoup caching

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 productsazl3 libsoup 3.4.4-9 on Azure Linux 3.0, cbl2 libsoup 3.0.4-7 on CBL Mariner 2.0, cbl2 libsoup 3.0.4-9 on CBL Mariner 2.0, azl3 libsoup 3.4.4-10 on Azure Linux 3.0
Vendor guidance

Release Notes

Microsoft Security Response CenterCVE-2023-52624
MediumCVSS 7.8

drm/amd/display: Wake DMCUB before executing GPINT commands

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 6.6.104.2-4 on Azure Linux 3.0, azl3 kernel 6.6.112.1-2 on Azure Linux 3.0, azl3 kernel 6.6.117.1-1 on Azure Linux 3.0
Vendor guidance

Release Notes

Microsoft Security Response CenterCVE-2023-52751
HighCVSS 7.8

smb: client: fix use-after-free in smb2_query_info_compound()

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 5.15.200.1-1 on CBL Mariner 2.0, cbl2 kernel 5.15.202.1-1 on CBL Mariner 2.0, cbl2 kernel 5.15.202.1-1 on CBL-Mariner 2.0, cbl2 kernel 5.15.186.1-1 on CBL Mariner 2.0
Vendor guidance

Release Notes

Microsoft Security Response CenterCVE-2024-36910
MediumCVSS 6.2

uio_hv_generic: Don't free decrypted memory

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 productsazl3 kernel 6.6.64.2-9 on Azure Linux 3.0, azl3 kernel 6.6.78.1-3 on Azure Linux 3.0
Fixed versions6.6.64.2-9, 6.6.82.1-1
Vendor guidance

CBL-Mariner Releases

Microsoft Security Response CenterCVE-2026-101276
Critical

iperf3 3.21 (esnet/iperf) contains a remote, unauthenticated heap use-after-free: the server's per-test watchdog server_timer_proc() frees streams without cancelling/joining their worker threads, so a blocked worker dereferences a freed iperf_stream; fixed in 3.22.

Mariner

Affected productsazl3 libical 3.0.10-1 on Azure Linux 3.0
Vendor guidance

Release Notes

Microsoft Security Response CenterCVE-2026-96940
HighCVSS 8.8

Microsoft Exchange Server Elevation of Privilege Vulnerability

Weak authentication in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.

Affected productsMicrosoft Exchange Server 2019 Cumulative Update 14, Microsoft Exchange Server 2016 Cumulative Update 23, Microsoft Exchange Server Subscription Edition RTM, Microsoft Exchange Server 2019 Cumulative Update 15
Fixed versions15.02.1544.048, 15.01.2507.075, 15.02.2562.053, 15.02.1748.053
Vendor guidance

Install KB5129957. Install KB5129958. Install KB5129955. Install KB5129956.

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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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