CVE-2026-66307
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2026
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
Skype for Business and Lync Denial of Service Vulnerability
Integer underflow (wrap or wraparound) in Skype for Business allows an unauthorized attacker to deny service over a network.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Skype for Business Server 2015 CU13
- Vendor
- Microsoft
- Product
- Skype for Business Server 2015 CU13
- Platforms
- x64-based Systems
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 9319.0 | affected | custom | 6.0.9319.885 | Unavailable | None listed |
Skype for Business Server 2019 CU8
- Vendor
- Microsoft
- Product
- Skype for Business Server 2019 CU8
- Platforms
- x64-based Systems
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 2046.0 | affected | custom | 7.0.2046.569 | Unavailable | None listed |
Skype for Business Server Subscription Edition CU1
- Vendor
- Microsoft
- Product
- Skype for Business Server Subscription Edition CU1
- Platforms
- x64-based Systems
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 2046.0 | affected | custom | 7.0.2046.879 | Unavailable | None listed |