Loading vulnerability…
CVE-2023-41763 is an elevation of privilege vulnerability in Microsoft Skype for Business Server. The provided content states that an unauthenticated remote attacker can exploit the issue by sending a specially crafted network call to a vulnerable Skype for Business server. The supporting context also links the CVE to prior research by Florian Hauser of Code White GmbH on Skype for Business 2019, where he described an SSRF issue named “SKYPErimeterleak”; the content asserts Microsoft later accepted that submission and assigned CVE-2023-41763. Based on that context, the vulnerability is best characterized as a server-side request forgery condition in Skype for Business Server that can be triggered remotely and results in elevation of privilege. Microsoft rated the issue Important with a CVSS v3 score of 5.3, and the content states it was exploited in the wild, although no public exploitation details are provided in the source material.
Mallory correlates every CVE against your assets, your vendors, and active adversary campaigns. Know which vulnerabilities matter for you, not just which ones are loud.
What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
If you can’t patch tonight, do this now.
Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
2 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.